Difference between revisions of "Iowa County Creation Dates and Parent Counties"

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| align="center" style="background: rgb(240,240,240); moz-background-clip: -moz-initial; moz-background-origin: -moz-initial; moz-background-inline-policy: -moz-initial" | '''Counties created by <br>boundary changes<ref>ibid. ''Illinois: Individual County Chronologies''</ref>'''
 
| align="center" style="background: rgb(240,240,240); moz-background-clip: -moz-initial; moz-background-origin: -moz-initial; moz-background-inline-policy: -moz-initial" | '''Counties created by <br>boundary changes<ref>ibid. ''Illinois: Individual County Chronologies''</ref>'''
 
|-
 
|-
| [[Adair County, Iowa|Adair]]  
+
| [[Adair County, Iowa|Adair]]
| [[Adair
+
| 1851 Jan 15
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#ADAIRDetails]  
+
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#ADAIR Details]
| Cass  
+
| Cass
 +
| none
 +
|-
 +
| [[Adams County, Iowa|Adams]]
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#ADAMS Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#ADAMS Details]
 +
| Taylor
 +
| none
 
|-
 
|-
| [[Adams County, Iowa|Adams]]  
+
| [[Allamakee County, Iowa|Allamakee]]
| [[Adams
+
| 1847  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#ADAMSDetails]
 
| Taylor
 
| 1847 7 18
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#ALLAMAKEE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#ALLAMAKEE Details]
 +
| Clayton
 +
| none
 
|-
 
|-
| [[Allamakee County, Iowa|Allamakee]]  
+
| [[Appanoose County, Iowa|Appanoose]]
| [[Allamakee
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#ALLAMAKEEDetails]
 
| Clayton
 
 
| 1843 Feb 17  
 
| 1843 Feb 17  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#APPANOOSE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#APPANOOSE Details]
 +
| Davis
 +
| Decatur 1846
 
|-
 
|-
| [[Appanoose County, Iowa|Appanoose]]  
+
| [[Audubon County, Iowa|Audubon]]
| [[Appanoose
+
| 1851 Jan 15
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#APPANOOSEDetails]
 
| Davis
 
| 1851 rap no
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#AUDUBON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#AUDUBON Details]
 +
| Cass, Black Hawk
 +
| none
 +
|-
 +
| [[Bancroft County, Iowa|Bancroft]]
 +
| 1851 Jan 15
 +
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BANCROFT Details]
 +
| Kossuth
 +
| declared unconstitutional 1871
 +
|-
 +
| [[Belknap County, Iowa|Belknap]]
 +
| 1874 
 +
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BELKNAP Details]
 +
| Pottawattamie
 +
| rejected by voters 1876
 
|-
 
|-
| [[Audubon County, Iowa|Audubon]]  
+
| [[Benton County, Iowa|Benton]]
| [[Audubon
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#AUDUBONDetails]
 
| Cass, Black Hawk
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BENTON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BENTON Details]
 +
| old Dubuque
 +
| Ida 1851, Kossuth 1851, Marshall 1846, Sac 1851, Story 1846, Tama 1843
 
|-
 
|-
| [[Benton County, Minnesota|Benton]]  
+
| [[Black Hawk County, Iowa|Black Hawk]]
| [[Benton
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BENTONDetails]
 
| old Dubuque
 
 
| 1846 Jun 05  
 
| 1846 Jun 05  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BLACK%20HAWK Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BLACK%20HAWK Details]
 +
| Delaware
 +
| Audubon 1851, Butler 1851, Grundy 1851, Hardin 1851
 
|-
 
|-
| [[Black Hawk County, Iowa|Black Hawk]]  
+
| [[Boone County, Iowa|Boone]]
| [[Black Hawk
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BLACK%20HAWKDetails]
 
| Delaware
 
 
| 1846 Jun 05  
 
| 1846 Jun 05  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BOONE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BOONE Details]
 +
| Polk
 +
| none
 
|-
 
|-
| [[Boone County, Iowa|Boone]]  
+
| [[Bremer County, Iowa|Bremer]]
| [[Boone
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BOONEDetails]
 
| Polk
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BREMER Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BREMER Details]
 +
| nowrap="nowrap" | Winnebago Indian reserve
 +
| none
 
|-
 
|-
| [[Bremer County, Iowa|Bremer]]  
+
| [[Buchanan County, Iowa|Buchanan]]
| [[Bremer
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BREMERDetails]
 
| nowrap="nowrap" | Winnebago Indian reserve
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BUCHANAN Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BUCHANAN Details]
 +
| old Dubuque
 +
| Butler 1851, Pocahontas 1851, Ida 1851, Plymouth 1851, Sac 1851, Wright 1851
 +
|-
 +
| [[Buncombe County, Iowa|Buncombe]]
 +
| 1851 Jan 15
 +
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BUNCOMBE Details]
 +
| Woodbury, Webster
 +
| renamed Lyon 1862
 
|-
 
|-
| [[Buchanan County, Iowa|Buchanan]]  
+
| [[Buena Vista County, Iowa|Buena Vista]]
| [[Buchanan
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BUCHANANDetails]
 
| old Dubuque
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BUENA%20VISTA Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BUENA%20VISTA Details]
 +
| Sac, Clay
 +
| none
 
|-
 
|-
| [[Buena Vista County, Iowa|Buena Vista]]  
+
| [[Butler County, Iowa|Butler]]
| [[Buena Vista
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BUENA%20VISTADetails]
 
| Sac, Clay
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BUTLER Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BUTLER Details]
 +
| Buchanan, Black Hawk
 +
| none
 
|-
 
|-
| [[Butler County, Iowa|Butler]]  
+
| [[Calhoun County, Iowa|Calhoun]]
| [[Butler
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#BUTLERDetails]
 
| Buchanan, Black Hawk
 
 
| 1853 Jan 22  
 
| 1853 Jan 22  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CALHOUN Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CALHOUN Details]
 +
| renamed from Fox
 +
| none
 
|-
 
|-
| [[Calhoun County, Iowa|Calhoun]]  
+
| [[Carroll County, Iowa|Carroll]]
| [[Calhoun
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CALHOUNDetails]
 
| renamed from Fox
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CARROLL Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CARROLL Details]
 +
| Gutherie
 +
| none
 
|-
 
|-
| [[Carroll County, Iowa|Carroll]]  
+
| [[Cass County, Iowa|Cass]]
| [[Carroll
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CARROLLDetails]
 
| Gutherie
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CASS Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CASS Details]
 +
| Pottawattamie
 +
| Adair 1851, Audubon 1851
 
|-
 
|-
| [[Cass County, Iowa|Cass]]  
+
| [[Cedar County, Iowa|Cedar]]
| [[Cass
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CASSDetails]
 
| Pottawattamie
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CEDAR Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CEDAR Details]
 +
| old Dubuque
 +
| none
 
|-
 
|-
| [[Cedar County, Iowa|Cedar]]  
+
| [[Cerro Gordo County, Iowa|Cerro Gordo]]
| [[Cedar
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CEDARDetails]
 
| old Dubuque
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CERRO%20GORDO Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CERRO%20GORDO Details]
 +
| Floyd
 +
| none
 
|-
 
|-
| [[Cerro Gordo County, Iowa|Cerro Gordo]]  
+
| [[Cherokee County, Iowa|Cherokee]]
| [[Cerro Gordo
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CERRO%20GORDODetails]
 
| Floyd
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CHEROKEE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CHEROKEE Details]
 +
| Crawford
 +
| none
 
|-
 
|-
| [[Cherokee County, Iowa|Cherokee]]  
+
| [[Chickasaw County, Iowa|Chickasaw]]
| [[Cherokee
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CHEROKEEDetails]
 
| Crawford
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CHICKASAW Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CHICKASAW Details]
 +
| Fayette
 +
| Franklin 1851
 
|-
 
|-
| [[Chickasaw County, Iowa|Chickasaw]]  
+
| [[Clark County, Iowa|Clark]]
| [[Chickasaw
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CHICKASAWDetails]
 
| Fayette
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLARKE Details]
+
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLARK Details]
 +
| Lucas
 +
| none
 
|-
 
|-
| [[Clarke County, Iowa|Clarke]]  
+
| [[Clay County, Iowa|Clay]]
| [[Clarke
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLARKEDetails]
 
| Lucas
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLAY Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLAY Details]
 +
| Indian lands
 +
| Buena Vista 1851
 
|-
 
|-
| [[Clay County, Iowa|Clay]]  
+
| [[Clayton County, Iowa|Clayton]]
| [[Clay
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLAYDetails]
 
| Indian lands
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLAYTON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLAYTON Details]
 +
| old Dubuque
 +
| Allamakee 1847, Fayette 1837
 
|-
 
|-
| [[Clayton County, Iowa|Clayton]]  
+
| [[Clinton County, Iowa|Clinton]]
| [[Clayton
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLAYTONDetails]
 
| old Dubuque
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLINTON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLINTON Details]
 +
| old Dubuque
 +
| none
 
|-
 
|-
| [[Clinton County, Iowa|Clinton]]  
+
| [[Cook County, Iowa|Cook]]
| [[Clinton
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CLINTONDetails]
 
| old Dubuque
 
 
| 1836 Dec 07  
 
| 1836 Dec 07  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#COOK Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#COOK Details]
 +
| Demoine
 +
| extinct 1837
 
|-
 
|-
| [[Cook County, Iowa|Cook]]  
+
| [[Crawford County, Iowa|Crawford]]
| [[Cook
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#COOKDetails]
 
| Demoine
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CRAWFORD Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CRAWFORD Details]
 +
| Shelby
 +
| Cherokee 1851
 +
|-
 +
| [[Crocker County, Iowa|Crocker]]
 +
| 1870 
 +
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CROCKER Details]
 +
| Bancroft, Kossuth
 +
| declared unconstitutional 1871
 
|-
 
|-
| [[Crawford County, Iowa|Crawford]]  
+
| [[Dallas County, Iowa|Dallas]]
| [[Crawford
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#CRAWFORDDetails]
 
| Shelby
 
 
| 1846 Jan 17  
 
| 1846 Jan 17  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DALLAS Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DALLAS Details]
 +
| Polk
 +
| Greene 1851
 
|-
 
|-
| [[Dallas County, Iowa|Dallas]]  
+
| [[Davis County, Iowa|Davis]]
| [[Dallas
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DALLASDetails]
 
| Polk
 
 
| 1843 Feb 17  
 
| 1843 Feb 17  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DAVIS Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DAVIS Details]
 +
| Van Buren
 +
| Appanoose 1843
 
|-
 
|-
| [[Davis County, Iowa|Davis]]  
+
| [[Decatur County, Iowa|Decatur]]
| [[Davis
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DAVISDetails]
 
| Van Buren
 
 
| 1846 Jan 17  
 
| 1846 Jan 17  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DECATUR Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DECATUR Details]
 +
| Appanoose
 +
| none
 
|-
 
|-
| [[Decatur County, Iowa|Decatur]]  
+
| [[Delaware County, Iowa|Delaware]]
| [[Decatur
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DECATURDetails]
 
| Appanoose
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DELAWARE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DELAWARE Details]
 +
| old Dubuque
 +
| Black Hawk 1843
 +
|-
 +
| [[Demoine County, Iowa|Demoine]]
 +
| 1833 Jun 01
 +
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DEMOINE Details]
 +
| Wisconsin Territory
 +
| Des Moines 1836, Lee 1836, Henry 1836, Van Buren 1836, Louisa 1836, Cook 1836, Muscatine 1836
 
|-
 
|-
| [[Delaware County, Iowa|Delaware]]  
+
| [[Des Moines County, Iowa|Des Moines]]
| [[Delaware
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DELAWAREDetails]
 
| old Dubuque
 
 
| 1836 Dec 07  
 
| 1836 Dec 07  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DES%20MOINES Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DES%20MOINES Details]
 +
| Demoine
 +
| Story 1846, Taylor 1847, Union 1851, Madison 1844, Mahaska 1843,Marion 1845, Page 1847, Warren 1846, Wayne 1846
 
|-
 
|-
| [[Des Moines County, Iowa|Des Moines]]  
+
| [[dickinson County, Iowa|dickinson]]
| [[Des Moines
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DES%20MOINESDetails]
 
| Demoine
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DICKINSON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DICKINSON Details]
 +
| Kossuth
 +
| Emmet 1851
 
|-
 
|-
| [[Dickinson County, Iowa|Dickinson]]  
+
| [[Dubuque (old) County, Iowa|Dubuque (old)]]
| [[Dickinson
+
| 1834 Sep 06
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DICKINSONDetails]  
+
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DUBUQUE%20(Old) Details]
| Kossuth
+
| Wisconsin Territory
 +
| Dubuque 1837, Clayton 1837,Jackson 1837, benton 1837, Linn 1837,Jones 1837, Clinton 1837, Johnson 1837, Scott 1837, Delaware 1837, Buchanan 1837, cedar 1837, Fayette 1837
 +
|-
 +
| [[Dubuque County, Iowa|Dubuque]]
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DUBUQUE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DUBUQUE Details]
 +
| old Dubuque
 +
| none
 
|-
 
|-
| [[Dubuque County, Iowa|Dubuque]]  
+
| [[Emmet County, Iowa|Emmet]]
| [[Dubuque
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#DUBUQUEDetails]
 
| old Dubuque
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#EMMET Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#EMMET Details]
 +
| Kossuth, Dickinson
 +
| none
 
|-
 
|-
| [[Emmet County, Iowa|Emmet]]  
+
| [[Fayette County, Iowa|Fayette]]
| [[Emmet
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#EMMETDetails]
 
| Kossuth, Dickinson
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FAYETTE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FAYETTE Details]
 +
| old Dubuque
 +
| Story 1846, Sioux 1851, Palo Alto 1851, Plymouth 1851,Tama 1843, Chickasaw 1851, Howard 1851, Osceola 1851, Pocahontas 1851, Mitchell 1851, O’Brien 1851, Winnebago 1847, Wright 1851, Winneshiek 1847, Worth 1851
 
|-
 
|-
| [[Fayette County, Iowa|Fayette]]  
+
| [[Floyd County, Iowa|Floyd]]
| [[Fayette
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FAYETTEDetails]
 
| old Dubuque
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FLOYD Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FLOYD Details]
 +
| Chickasaw
 +
| Cerro Gordo 1851
 +
|-
 +
| [[Fox County, Iowa|Fox]]
 +
| 1851 Jan 15
 +
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FOX Details]
 +
| Pottawattamie
 +
| renamed Calhoun 1853
 
|-
 
|-
| [[Floyd County, Iowa|Floyd]]  
+
| [[Franklin County, Iowa|Franklin]]
| [[Floyd
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FLOYDDetails]
 
| Chickasaw
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FRANKLIN Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FRANKLIN Details]
 +
| Chickasaw
 +
| none
 
|-
 
|-
| [[Franklin County, Iowa|Franklin]]  
+
| [[Fremont County, Iowa|Fremont]]
| [[Franklin
+
| 1847  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FRANKLINDetails]
 
| Chickasaw
 
| 1847 7 18
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FREMONT Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FREMONT Details]
 +
| Pottawattamie
 +
| none
 
|-
 
|-
| [[Fremont County, Iowa|Fremont]]  
+
| [[Green County, Iowa|Green]]
| [[Fremont
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#FREMONTDetails]
 
| Pottawattamie
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#GREENE Details]
+
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#GREEN Details]
 +
| Dallas
 +
| none
 
|-
 
|-
| [[Greene County, Iowa|Greene]]  
+
| [[Grimes County, Iowa|Grimes]]
| [[Greene
+
| 1876 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#GREENEDetails]  
+
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#GRIMES Details]
| Dallas
+
| Pottawattamie
 +
| rejected by voters 1876
 +
|-
 +
| [[Grundy County, Iowa|Grundy]]
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#GRUNDY Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#GRUNDY Details]
 +
| Black Hawk
 +
| none
 
|-
 
|-
| [[Grundy County, Iowa|Grundy]]  
+
| [[Guthrie County, Iowa|Guthrie]]
| [[Grundy
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#GRUNDYDetails]
 
| Black Hawk
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#GUTHRIE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#GUTHRIE Details]
 +
| Jackson, Iowa
 +
| Carroll 1851
 
|-
 
|-
| [[Guthrie County, Iowa|Guthrie]]  
+
| [[Hamilton County, Iowa|Hamilton]]
| [[Guthrie
+
| 1856  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#GUTHRIEDetails]
 
| Jackson, Iowa
 
| 1856 6 18
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HAMILTON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HAMILTON Details]
 +
| Webster
 +
| none
 
|-
 
|-
| [[Hamilton County, Iowa|Hamilton]]  
+
| [[Hancock County, Iowa|Hancock]]
| [[Hamilton
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HAMILTONDetails]
 
| Webster
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HANCOCK Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HANCOCK Details]
 +
| Wright
 +
| none
 
|-
 
|-
| [[Hancock County, Iowa|Hancock]]  
+
| [[Hardin County, Iowa|Hardin]]
| [[Hancock
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HANCOCKDetails]
 
| Wright
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HARDIN Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HARDIN Details]
 +
| Black Hawk
 +
| none
 
|-
 
|-
| [[Hardin County, Iowa|Hardin]]  
+
| [[Harrison County, Iowa|Harrison]]
| [[Hardin
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HARDINDetails]
 
| Black Hawk
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HARRISON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HARRISON Details]
 +
| Pottawattamie
 +
| none
 
|-
 
|-
| [[Harrison County, Iowa|Harrison]]  
+
| [[Henry County, Iowa|Henry]]
| [[Harrison
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HARRISONDetails]
 
| Pottawattamie
 
 
| 1836 Dec 07  
 
| 1836 Dec 07  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HENRY Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HENRY Details]
 +
| Demoine
 +
| Washington 1837
 
|-
 
|-
| [[Henry County, Iowa|Henry]]  
+
| [[Howard County, Iowa|Howard]]
| [[Henry
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HENRYDetails]
 
| Demoine
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HOWARD Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HOWARD Details]
 +
| Fayette
 +
| none
 +
|-
 +
| [[Humbolt (old) County, Iowa|Humbolt (old)]]
 +
| 1851 Jan 15
 +
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HUMBOLT%20(Old) Details]
 +
| Fayette
 +
| extinct
 
|-
 
|-
| [[Howard County, Iowa|Howard]]  
+
| [[Humbolt County, Iowa|Humbolt]]
| [[Howard
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HOWARDDetails]
 
| Fayette
 
 
| 1857 Feb 26  
 
| 1857 Feb 26  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HUMBOLDT Details]
+
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HUMBOLT Details]
 +
| Webster
 +
| none
 
|-
 
|-
| [[Humboldt County, Iowa|Humboldt]]  
+
| [[Ida County, Iowa|Ida]]
| [[Humboldt
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#HUMBOLDTDetails]
 
| Webster
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#IDA Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#IDA Details]
 +
| Buchanan, Benton
 +
| none
 
|-
 
|-
| [[Ida County, Iowa|Ida]]  
+
| [[Iowa County, Iowa|Iowa]]
| [[Ida
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#IDADetails]
 
| Buchanan, Benton
 
 
| 1843 Feb 17  
 
| 1843 Feb 17  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#IOWA Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#IOWA Details]
 +
| Washington
 +
| Guthrie 1851
 
|-
 
|-
| [[Iowa County, Iowa|Iowa]]  
+
| [[Jackson County, Iowa|Jackson]]
| [[Iowa
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#IOWADetails]
 
| Washington
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JACKSON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JACKSON Details]
 +
| old Dubuque
 +
| Guthrie 1851
 
|-
 
|-
| [[Jackson County, Iowa|Jackson]]  
+
| [[Jasper County, Iowa|Jasper]]
| [[Jackson
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JACKSONDetails]
 
| old Dubuque
 
 
| 1846 Jan 17  
 
| 1846 Jan 17  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JASPER Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JASPER Details]
 +
| Mahaska
 +
| none
 
|-
 
|-
| [[Jasper County, Iowa|Jasper]]  
+
| [[Jefferson County, Iowa|Jefferson]]
| [[Jasper
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JASPERDetails]
 
| Mahaska
 
 
| 1839 Nov 04  
 
| 1839 Nov 04  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JEFFERSON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JEFFERSON Details]
 +
| Indian lands
 +
| none
 
|-
 
|-
| [[Jefferson County, Iowa|Jefferson]]  
+
| [[Johnson County, Iowa|Johnson]]
| [[Jefferson
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JEFFERSONDetails]
 
| Indian lands
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JOHNSON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JOHNSON Details]
 +
| old Dubuque
 +
| none
 
|-
 
|-
| [[Johnson County, Iowa|Johnson]]  
+
| [[Jones County, Iowa|Jones]]
| [[Johnson
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JOHNSONDetails]
 
| old Dubuque
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JONES Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JONES Details]
 +
| old Dubuque
 +
| none
 
|-
 
|-
| [[Jones County, Iowa|Jones]]  
+
| [[Keokuk (old) County, Iowa|Keokuk (old)]]
| [[Jones
+
| 1837 Oct 21
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#JONESDetails]  
+
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#KEOKUK%20(Old) Details]
| old Dubuque
+
| Sac and Fox Indian lands
 +
| Keokuk 1843, Mahaska 1843
 +
|-
 +
| [[Keokuk County, Iowa|Keokuk]]
 
| 1837 Feb 17  
 
| 1837 Feb 17  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#KEOKUK Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#KEOKUK Details]
 +
| old Keokuk
 +
| Poweshiek 1848, Marion 1845, Jasper 1846, Shelby 1846, Story 1846, Warren 1846
 +
|-
 +
| [[Kishkekosh County, Iowa|Kishkekosh]]
 +
| 1843 Feb 17
 +
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#KISHKEKOSH Details]
 +
| Wapello
 +
| renamed Monroe 1846
 
|-
 
|-
| [[Keokuk County, Iowa|Keokuk]]  
+
| [[Kossuth County, Iowa|Kossuth]]
| [[Keokuk
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#KEOKUKDetails]
 
| old Keokuk
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#KOSSUTH Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#KOSSUTH Details]
 +
| Fayette, Bancroft
 +
| Dickinson 1851, Emmet 1851
 
|-
 
|-
| [[Kossuth County, Iowa|Kossuth]]  
+
| [[Lee County, Iowa|Lee]]
| [[Kossuth
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#KOSSUTHDetails]
 
| Fayette, Bancroft
 
 
| 1836 Dec 07  
 
| 1836 Dec 07  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LEE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LEE Details]
 +
| Demoine
 +
| none
 
|-
 
|-
| [[Lee County, Iowa|Lee]]  
+
| [[Linn County, Iowa|Linn]]
| [[Lee
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LEEDetails]
 
| Demoine
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LINN Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LINN Details]
 +
| old Dubuque
 +
| none
 
|-
 
|-
| [[Linn County, Iowa|Linn]]  
+
| [[Louisa County, Iowa|Louisa]]
| [[Linn
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LINNDetails]
 
| old Dubuque
 
 
| 1836 Dec 07  
 
| 1836 Dec 07  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LOUISA Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LOUISA Details]
 +
| Demoine
 +
| Washington 1837
 
|-
 
|-
| [[Louisa County, Iowa|Louisa]]  
+
| [[Lucas County, Iowa|Lucas]]
| [[Louisa
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LOUISADetails]
 
| Demoine
 
 
| 1846 Jun 05  
 
| 1846 Jun 05  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LUCAS Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LUCAS Details]
 +
| Monroe
 +
| Clark 1851
 
|-
 
|-
| [[Lucas County, Iowa|Lucas]]  
+
| [[Lyon County, Iowa|Lyon]]
| [[Lucas
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LUCASDetails]
 
| Monroe
 
 
| 1862 Sep 11  
 
| 1862 Sep 11  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LYON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LYON Details]
 +
| renamed from Buncombe
 +
| none
 
|-
 
|-
| [[Lyon County, Iowa|Lyon]]  
+
| [[Madison County, Iowa|Madison]]
| [[Lyon
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#LYONDetails]
 
| renamed from Buncombe
 
 
| 1844 Jun 16  
 
| 1844 Jun 16  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MADISON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MADISON Details]
 +
| Des Moines
 +
| none
 
|-
 
|-
| [[Madison County, Iowa|Madison]]  
+
| [[Mahaska County, Iowa|Mahaska]]
| [[Madison
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MADISONDetails]
 
| Des Moines
 
 
| 1843 Feb 17  
 
| 1843 Feb 17  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MAHASKA Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MAHASKA Details]
 +
| Des Moines, Keokuk
 +
| Jasper 1846
 
|-
 
|-
| [[Mahaska County, Iowa|Mahaska]]  
+
| [[Marion County, Iowa|Marion]]
| [[Mahaska
+
| 1845 May 05
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MAHASKADetails]
 
| Des Moines, Keokuk
 
| 1845 rap no
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MARION Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MARION Details]
 +
| Des Moines, Keokuk
 +
| none
 
|-
 
|-
| [[Marion County, Iowa|Marion]]  
+
| [[Marshall County, Iowa|Marshall]]
| [[Marion
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MARIONDetails]
 
| Des Moines, Keokuk
 
 
| 1846 Jun 05  
 
| 1846 Jun 05  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MARSHALL Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MARSHALL Details]
 +
| Benton
 +
| none
 
|-
 
|-
| [[Marshall County, Iowa|Marshall]]  
+
| [[Mills County, Iowa|Mills]]
| [[Marshall
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MARSHALLDetails]
 
| Benton
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MILLS Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MILLS Details]
 +
| Pottawattamie
 +
| none
 
|-
 
|-
| [[Mills County, Iowa|Mills]]  
+
| [[Mitchell County, Iowa|Mitchell]]
| [[Mills
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MILLSDetails]
 
| Pottawattamie
 
#VALUE!
 
 
 
|-
 
| Missouri Territory
 
#VALUE!
 
 
 
| Became a non-county area in MO Terr.
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MITCHELL Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MITCHELL Details]
 +
| Fayette
 +
| none
 
|-
 
|-
| [[Mitchell County, Iowa|Mitchell]]  
+
| [[Monona County, Iowa|Monona]]
| [[Mitchell
+
| 1853 18 De  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MITCHELLDetails]
 
| Fayette
 
| 1853 18 De  
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MONONA Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MONONA Details]
 +
| Harrison
 +
| none
 
|-
 
|-
| [[Monona County, Iowa|Monona]]  
+
| [[Monroe County, Iowa|Monroe]]
| [[Monona
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MONONADetails]
 
| Harrison
 
 
| 1846 Jan 19  
 
| 1846 Jan 19  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MONROE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MONROE Details]
 +
| nowrap="nowrap" | renamed from Kishkekosh
 +
| Lucas 1846
 
|-
 
|-
| [[Monroe County, Iowa|Monroe]]  
+
| [[Montgomery County, Iowa|Montgomery]]
| [[Monroe
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MONROEDetails]
 
| nowrap="nowrap" | renamed from Kishkekosh
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MONTGOMERY Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MONTGOMERY Details]
 +
| Polk
 +
| none
 
|-
 
|-
| [[Montgomery County, Iowa|Montgomery]]  
+
| [[Muscatine County, Iowa|Muscatine]]
| [[Montgomery
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MONTGOMERYDetails]
 
| Polk
 
 
| 1836 Dec 07  
 
| 1836 Dec 07  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MUSCATINE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MUSCATINE Details]
 +
| Demoine
 +
| Washington 1837
 
|-
 
|-
| [[Muscatine County, Iowa|Muscatine]]  
+
| [[O’Brien County, Iowa|O’Brien]]
| [[Muscatine
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#MUSCATINEDetails]
 
| Demoine
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#O'BRIEN Details]
+
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#O’BRIEN Details]
 +
| Fayette
 +
| none
 
|-
 
|-
| [[O'Brien County, Iowa|O Brien]]  
+
| [[Osceola County, Iowa|Osceola]]
| [[O'Brien
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#O'BRIENDetails]
 
| Fayette
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#OSCEOLA Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#OSCEOLA Details]
 +
| Fayette
 +
| none
 
|-
 
|-
| [[Osceola County, Iowa|Osceola]]  
+
| [[Page County, Iowa|Page]]
| [[Osceola
+
| 1847  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#OSCEOLADetails]
 
| Fayette
 
| 1847 7 18
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#PAGE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#PAGE Details]
 +
| Des Moines
 +
| none
 
|-
 
|-
| [[Page County, Iowa|Page]]  
+
| [[Palo Alto County, Iowa|Palo Alto]]
| [[Page
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#PAGEDetails]
 
| Des Moines
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#PALO%20ALTO Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#PALO%20ALTO Details]
 +
| Fayette
 +
| none
 
|-
 
|-
| [[Palo Alto County, Iowa|Palo Alto]]  
+
| [[Plymouth County, Iowa|Plymouth]]
| [[Palo Alto
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#PALO%20ALTODetails]
 
| Fayette
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#PLYMOUTH Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#PLYMOUTH Details]
 +
| Buchanan, Fayette
 +
| none
 
|-
 
|-
| [[Plymouth County, Iowa|Plymouth]]  
+
| [[Pocahontas County, Iowa|Pocahontas]]
| [[Plymouth
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#PLYMOUTHDetails]
 
| Buchanan, Fayette
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POCAHONTAS Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POCAHONTAS Details]
 +
| Buchanan, Fayette
 +
| none
 
|-
 
|-
| [[Pocahontas County, Iowa|Pocahontas]]  
+
| [[Polk County, Iowa|Polk]]
| [[Pocahontas
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POCAHONTASDetails]
 
| Buchanan, Fayette
 
 
| 1846 Jun 05  
 
| 1846 Jun 05  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POLK Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POLK Details]
 +
| Indian lands
 +
| Boone 1846, Montgomery 1851, Dallas 1846
 
|-
 
|-
| [[Polk County, Iowa|Polk]]  
+
| [[Pottawattamie County, Iowa|Pottawattamie]]
| [[Polk
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POLKDetails]
 
| Indian lands
 
 
| 1846 Jun 05  
 
| 1846 Jun 05  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POTTAWATTAMIE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POTTAWATTAMIE Details]
 +
| Pottawattamie Indian lands
 +
| Cass 1851, Fremont 1847, harrison 1851, Jasper 1841, Taylor 1847, Union 1851
 
|-
 
|-
| [[Pottawattamie County, Iowa|Pottawattamie]]  
+
| [[Poweshiek County, Iowa|Poweshiek]]
| [[Pottawattamie
+
| 1848 Apr 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POTTAWATTAMIEDetails]
 
| Pottawattamie Indian lands
 
| 1848 18 Ap
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POWESHIEK Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POWESHIEK Details]
 +
| Keokuk
 +
| none
 
|-
 
|-
| [[Poweshiek County, Iowa|Poweshiek]]  
+
| [[Ringgold County, Iowa|Ringgold]]
| [[Poweshiek
+
| 1854 Aug 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#POWESHIEKDetails]
 
| Keokuk
 
| 1854 18 Au
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#RINGGOLD Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#RINGGOLD Details]
 +
| Taylor
 +
| none
 
|-
 
|-
| [[Ringgold County, Iowa|Ringgold]]  
+
| [[Risley County, Iowa|Risley]]
| [[Ringgold
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#RINGGOLDDetails]
 
| Taylor
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#RISLEY Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#RISLEY Details]
 +
| Hamilton
 +
| renamed 1853
 
|-
 
|-
| [[Risley County, Iowa|Risley]]  
+
| [[Sac County, Iowa|Sac]]
| [[Risley
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#RISLEYDetails]
 
| Hamilton
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SAC Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SAC Details]
 +
| Buchanan, Benton
 +
| Buena Vista 1851
 
|-
 
|-
| [[Sac County, Iowa|Sac]]  
+
| [[Scott County, Iowa|Scott]]
| [[Sac
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SACDetails]
 
| Buchanan, Benton
 
 
| 1837 Dec 21  
 
| 1837 Dec 21  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SCOTT Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SCOTT Details]
 +
| old Dubuque
 +
| none
 
|-
 
|-
| [[Scott County, Iowa|Scott]]  
+
| [[Shelby County, Iowa|Shelby]]
| [[Scott
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SCOTTDetails]
 
| old Dubuque
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SHELBY Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SHELBY Details]
 +
| Keokuk
 +
| Crawford 1851
 
|-
 
|-
| [[Shelby County, Iowa|Shelby]]  
+
| [[Sioux County, Iowa|Sioux]]
| [[Shelby
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SHELBYDetails]
 
| Keokuk
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SIOUX Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SIOUX Details]
 +
| Fayette
 +
| none
 +
|-
 +
| [[Slaughter County, Iowa|Slaughter]]
 +
| 1837 Dec 21
 +
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SLAUGHTER Details]
 +
| Louisa, Muscatine, Henry
 +
| renamed Washington 1839
 
|-
 
|-
| [[Sioux County, Iowa|Sioux]]  
+
| [[Story County, Iowa|Story]]
| [[Sioux
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#SIOUXDetails]
 
| Fayette
 
 
| 1846 Jun 05  
 
| 1846 Jun 05  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#STORY Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#STORY Details]
 +
| Benton
 +
| none
 
|-
 
|-
| [[Story County, Iowa|Story]]  
+
| [[Tama County, Iowa|Tama]]
| [[Story
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#STORYDetails]
 
| Benton
 
 
| 1843 Feb 17  
 
| 1843 Feb 17  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#TAMA Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#TAMA Details]
 +
| Benton
 +
| none
 
|-
 
|-
| [[Tama County, Iowa|Tama]]  
+
| [[Taylor County, Iowa|Taylor]]
| [[Tama
+
| 1847  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#TAMADetails]
 
| Benton
 
| 1847 7 18
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#TAYLOR Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#TAYLOR Details]
 +
| Des Moines, Pottawattamie
 +
| Adams 1851, Taylor 1847
 
|-
 
|-
| [[Taylor County, Iowa|Taylor]]  
+
| [[Union County, Iowa|Union]]
| [[Taylor
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#TAYLORDetails]
 
| nowrap="nowrap" | Des Moines, Pottawattamie
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#UNION Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#UNION Details]
 +
| Des Moines, Pottawattamie
 +
| none
 
|-
 
|-
| [[Union County, Iowa|Union]]  
+
| [[Van Buren County, Iowa|Van Buren]]
| [[Union
+
| 1836 Dec 07  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#UNIONDetails]
 
| Des Moines, Pottawattamie
 
| 1836 dec 07  
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#VAN%20BUREN Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#VAN%20BUREN Details]
 +
| Demoine
 +
| Davis 1843
 
|-
 
|-
| [[Van Buren County, Iowa|Van Buren]]  
+
| [[Wapello County, Iowa|Wapello]]
| [[Van Buren
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#VAN%20BURENDetails]
 
| Demoine
 
 
| 1844 Jun 16  
 
| 1844 Jun 16  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WAPELLO Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WAPELLO Details]
 +
| Indian lands
 +
| none
 
|-
 
|-
| [[Wapello County, Iowa|Wapello]]  
+
| [[Wahkaw County, Iowa|Wahkaw]]
| [[Wapello
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WAPELLODetails]
 
| Indian lands
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WAHKAW Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WAHKAW Details]
 +
| Benton, Buchanan
 +
| renamed Woodbury 1853
 
|-
 
|-
| [[Wahkaw County, Iowa|Wahkaw]]  
+
| [[Warren County, Iowa|Warren]]
| [[Wahkaw
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WAHKAWDetails]
 
| Benton, Buchanan
 
 
| 1846 Jun 05  
 
| 1846 Jun 05  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WARREN Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WARREN Details]
 +
| Des Moines, Keokuk
 +
| none
 
|-
 
|-
| [[Warren County, Iowa|Warren]]  
+
| [[Washington County, Iowa|Washington]]
| [[Warren
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WARRENDetails]
 
| Des Moines, Keokuk
 
 
| 1839 Jan 25  
 
| 1839 Jan 25  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WASHINGTON Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WASHINGTON Details]
 +
| renamed from Slaughter
 +
| none
 
|-
 
|-
| [[Washington County, Iowa|Washington]]  
+
| [[Wayne County, Iowa|Wayne]]
| [[Washington
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WASHINGTONDetails]
 
| renamed from Slaughter
 
 
| 1846 Jun 05  
 
| 1846 Jun 05  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WAYNE Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WAYNE Details]
 +
| Des Moines
 +
| none
 
|-
 
|-
| [[Wayne County, Iowa|Wayne]]  
+
| [[Webster County, Iowa|Webster]]
| [[Wayne
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WAYNEDetails]
 
| Des Moines
 
 
| 1853 Jan 12  
 
| 1853 Jan 12  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WEBSTER Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WEBSTER Details]
 +
| renamed from Risley
 +
| Hamilton 1856, Humbolt 1857, Buncombe 1851
 
|-
 
|-
| [[Webster County, Iowa|Webster]]  
+
| [[Winnebago County, Iowa|Winnebago]]
| [[Webster
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WEBSTERDetails]
 
| renamed from Risley
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WINNEBAGO Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WINNEBAGO Details]
 +
| Fayette
 +
| none
 
|-
 
|-
| [[Winnebago County, Iowa|Winnebago]]  
+
| [[Winneshiek County, Iowa|Winneshiek]]
| [[Winnebago
+
| 1847  
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WINNEBAGODetails]
 
| Fayette
 
| 1847 7 18
 
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WINNESHIEK Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WINNESHIEK Details]
 +
| Fayette
 +
| none
 
|-
 
|-
| [[Winneshiek County, Iowa|Winneshiek]]  
+
| [[Woodbury County, Iowa|Woodbury]]
| [[Winneshiek
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WINNESHIEKDetails]
 
| Fayette
 
 
| 1853 Jan 12  
 
| 1853 Jan 12  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WOODBURY Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WOODBURY Details]
 +
| renamed from Wahkaw
 +
| none
 
|-
 
|-
| [[Woodbury County, Iowa|Woodbury]]  
+
| [[Worth County, Iowa|Worth]]
| [[Woodbury
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WOODBURYDetails]
 
| renamed from Wahkaw
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WORTH Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WORTH Details]
 +
| Fayette
 +
| none
 
|-
 
|-
| [[Worth County, Iowa|Worth]]  
+
| [[Wright County, Iowa|Wright]]
| [[Worth
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WORTHDetails]
 
| Fayette
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WRIGHT Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WRIGHT Details]
 +
| Buchanan, Fayette
 +
| Hancock 1851
 
|-
 
|-
| [[Wright County, Iowa|Wright]]  
+
| [[Yell County, Iowa|Yell]]
| [[Wright
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#WRIGHTDetails]
 
| Buchanan, Fayette
 
 
| 1851 Jan 15  
 
| 1851 Jan 15  
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#YELL Details]
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#YELL Details]
|-
+
| Indian lands
| [[Yell County, Iowa|Yell]]
+
| extinct 1853, absorbed by Webster 1853 by voters
| [[Yell
 
| [http://publications.newberry.org/ahcbp/documents/IA_Individual_County_Chronologies.htm#YELLDetails]
 
| Indian lands  
 
| extinct 1853, absorbed by Webster 1853 by voters  
 
 
|}
 
|}
  
 
[[Category:Iowa]]
 
[[Category:Iowa]]

Revision as of 20:55, 28 May 2014


0
Name of County Date Formed Boundary
Changes
Parent Counties Counties created by
boundary changes[2]
Adair 1851 Jan 15 Details Cass none
Adams 1851 Jan 15 Details Taylor none
Allamakee 1847 Details Clayton none
Appanoose 1843 Feb 17 Details Davis Decatur 1846
Audubon 1851 Jan 15 Details Cass, Black Hawk none
Bancroft 1851 Jan 15 Details Kossuth declared unconstitutional 1871
Belknap 1874 Details Pottawattamie rejected by voters 1876
Benton 1837 Dec 21 Details old Dubuque Ida 1851, Kossuth 1851, Marshall 1846, Sac 1851, Story 1846, Tama 1843
Black Hawk 1846 Jun 05 Details Delaware Audubon 1851, Butler 1851, Grundy 1851, Hardin 1851
Boone 1846 Jun 05 Details Polk none
Bremer 1851 Jan 15 Details Winnebago Indian reserve none
Buchanan 1837 Dec 21 Details old Dubuque Butler 1851, Pocahontas 1851, Ida 1851, Plymouth 1851, Sac 1851, Wright 1851
Buncombe 1851 Jan 15 Details Woodbury, Webster renamed Lyon 1862
Buena Vista 1851 Jan 15 Details Sac, Clay none
Butler 1851 Jan 15 Details Buchanan, Black Hawk none
Calhoun 1853 Jan 22 Details renamed from Fox none
Carroll 1851 Jan 15 Details Gutherie none
Cass 1851 Jan 15 Details Pottawattamie Adair 1851, Audubon 1851
Cedar 1837 Dec 21 Details old Dubuque none
Cerro Gordo 1851 Jan 15 Details Floyd none
Cherokee 1851 Jan 15 Details Crawford none
Chickasaw 1851 Jan 15 Details Fayette Franklin 1851
Clark 1851 Jan 15 Details Lucas none
Clay 1851 Jan 15 Details Indian lands Buena Vista 1851
Clayton 1837 Dec 21 Details old Dubuque Allamakee 1847, Fayette 1837
Clinton 1837 Dec 21 Details old Dubuque none
Cook 1836 Dec 07 Details Demoine extinct 1837
Crawford 1851 Jan 15 Details Shelby Cherokee 1851
Crocker 1870 Details Bancroft, Kossuth declared unconstitutional 1871
Dallas 1846 Jan 17 Details Polk Greene 1851
Davis 1843 Feb 17 Details Van Buren Appanoose 1843
Decatur 1846 Jan 17 Details Appanoose none
Delaware 1837 Dec 21 Details old Dubuque Black Hawk 1843
Demoine 1833 Jun 01 Details Wisconsin Territory Des Moines 1836, Lee 1836, Henry 1836, Van Buren 1836, Louisa 1836, Cook 1836, Muscatine 1836
Des Moines 1836 Dec 07 Details Demoine Story 1846, Taylor 1847, Union 1851, Madison 1844, Mahaska 1843,Marion 1845, Page 1847, Warren 1846, Wayne 1846
dickinson 1851 Jan 15 Details Kossuth Emmet 1851
Dubuque (old) 1834 Sep 06 Details Wisconsin Territory Dubuque 1837, Clayton 1837,Jackson 1837, benton 1837, Linn 1837,Jones 1837, Clinton 1837, Johnson 1837, Scott 1837, Delaware 1837, Buchanan 1837, cedar 1837, Fayette 1837
Dubuque 1837 Dec 21 Details old Dubuque none
Emmet 1851 Jan 15 Details Kossuth, Dickinson none
Fayette 1837 Dec 21 Details old Dubuque Story 1846, Sioux 1851, Palo Alto 1851, Plymouth 1851,Tama 1843, Chickasaw 1851, Howard 1851, Osceola 1851, Pocahontas 1851, Mitchell 1851, O’Brien 1851, Winnebago 1847, Wright 1851, Winneshiek 1847, Worth 1851
Floyd 1851 Jan 15 Details Chickasaw Cerro Gordo 1851
Fox 1851 Jan 15 Details Pottawattamie renamed Calhoun 1853
Franklin 1851 Jan 15 Details Chickasaw none
Fremont 1847 Details Pottawattamie none
Green 1851 Jan 15 Details Dallas none
Grimes 1876 Details Pottawattamie rejected by voters 1876
Grundy 1851 Jan 15 Details Black Hawk none
Guthrie 1851 Jan 15 Details Jackson, Iowa Carroll 1851
Hamilton 1856 Details Webster none
Hancock 1851 Jan 15 Details Wright none
Hardin 1851 Jan 15 Details Black Hawk none
Harrison 1851 Jan 15 Details Pottawattamie none
Henry 1836 Dec 07 Details Demoine Washington 1837
Howard 1851 Jan 15 Details Fayette none
Humbolt (old) 1851 Jan 15 Details Fayette extinct
Humbolt 1857 Feb 26 Details Webster none
Ida 1851 Jan 15 Details Buchanan, Benton none
Iowa 1843 Feb 17 Details Washington Guthrie 1851
Jackson 1837 Dec 21 Details old Dubuque Guthrie 1851
Jasper 1846 Jan 17 Details Mahaska none
Jefferson 1839 Nov 04 Details Indian lands none
Johnson 1837 Dec 21 Details old Dubuque none
Jones 1837 Dec 21 Details old Dubuque none
Keokuk (old) 1837 Oct 21 Details Sac and Fox Indian lands Keokuk 1843, Mahaska 1843
Keokuk 1837 Feb 17 Details old Keokuk Poweshiek 1848, Marion 1845, Jasper 1846, Shelby 1846, Story 1846, Warren 1846
Kishkekosh 1843 Feb 17 Details Wapello renamed Monroe 1846
Kossuth 1851 Jan 15 Details Fayette, Bancroft Dickinson 1851, Emmet 1851
Lee 1836 Dec 07 Details Demoine none
Linn 1837 Dec 21 Details old Dubuque none
Louisa 1836 Dec 07 Details Demoine Washington 1837
Lucas 1846 Jun 05 Details Monroe Clark 1851
Lyon 1862 Sep 11 Details renamed from Buncombe none
Madison 1844 Jun 16 Details Des Moines none
Mahaska 1843 Feb 17 Details Des Moines, Keokuk Jasper 1846
Marion 1845 May 05 Details Des Moines, Keokuk none
Marshall 1846 Jun 05 Details Benton none
Mills 1851 Jan 15 Details Pottawattamie none
Mitchell 1851 Jan 15 Details Fayette none
Monona 1853 18 De Details Harrison none
Monroe 1846 Jan 19 Details renamed from Kishkekosh Lucas 1846
Montgomery 1851 Jan 15 Details Polk none
Muscatine 1836 Dec 07 Details Demoine Washington 1837
O’Brien 1851 Jan 15 Details Fayette none
Osceola 1851 Jan 15 Details Fayette none
Page 1847 Details Des Moines none
Palo Alto 1851 Jan 15 Details Fayette none
Plymouth 1851 Jan 15 Details Buchanan, Fayette none
Pocahontas 1851 Jan 15 Details Buchanan, Fayette none
Polk 1846 Jun 05 Details Indian lands Boone 1846, Montgomery 1851, Dallas 1846
Pottawattamie 1846 Jun 05 Details Pottawattamie Indian lands Cass 1851, Fremont 1847, harrison 1851, Jasper 1841, Taylor 1847, Union 1851
Poweshiek 1848 Apr Details Keokuk none
Ringgold 1854 Aug Details Taylor none
Risley 1851 Jan 15 Details Hamilton renamed 1853
Sac 1851 Jan 15 Details Buchanan, Benton Buena Vista 1851
Scott 1837 Dec 21 Details old Dubuque none
Shelby 1851 Jan 15 Details Keokuk Crawford 1851
Sioux 1851 Jan 15 Details Fayette none
Slaughter 1837 Dec 21 Details Louisa, Muscatine, Henry renamed Washington 1839
Story 1846 Jun 05 Details Benton none
Tama 1843 Feb 17 Details Benton none
Taylor 1847 Details Des Moines, Pottawattamie Adams 1851, Taylor 1847
Union 1851 Jan 15 Details Des Moines, Pottawattamie none
Van Buren 1836 Dec 07 Details Demoine Davis 1843
Wapello 1844 Jun 16 Details Indian lands none
Wahkaw 1851 Jan 15 Details Benton, Buchanan renamed Woodbury 1853
Warren 1846 Jun 05 Details Des Moines, Keokuk none
Washington 1839 Jan 25 Details renamed from Slaughter none
Wayne 1846 Jun 05 Details Des Moines none
Webster 1853 Jan 12 Details renamed from Risley Hamilton 1856, Humbolt 1857, Buncombe 1851
Winnebago 1851 Jan 15 Details Fayette none
Winneshiek 1847 Details Fayette none
Woodbury 1853 Jan 12 Details renamed from Wahkaw none
Worth 1851 Jan 15 Details Fayette none
Wright 1851 Jan 15 Details Buchanan, Fayette Hancock 1851
Yell 1851 Jan 15 Details Indian lands extinct 1853, absorbed by Webster 1853 by voters
  1. [http://historical-county.newberry.org/website/Iowa/viewer.htm Iowa Atlas of Historical County Boundaries, John H. Long, Editor; Peggy Tuck Sinko, Associate Editor; Gordon DenBoer, Historical Compiler; Douglas Knox, Book Digitizing Director and Digital Compiler; Emily Kelley, Research Associate; Laura Rico-Beck, GIS Specialist; Peter Siczewicz, ArcIMS Interactive Map Designer; Robert Will, Cartographic Assistant. Copyright The Newberry Library 2008.
  2. ibid. Illinois: Individual County Chronologies