Power County, Idaho Genealogy

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Power County
Guide to Power County, Idaho ancestry, family history, and genealogy birth records, marriage records, death records, census records, family history, and military records.

American Falls Dam Power House, Power CO., Idaho


Quick start:

Power County, Idaho
Map of Idaho highlighting Power County
Location in the state of Idaho
Map of the U.S. highlighting Idaho
Location of Idaho in the U.S.
Founded January 30, 1913
County Seat American Fall
Address Power County Courthouse
543 Bannock
American Falls, ID 83211-1200
Phone: (208) 226-7611
Fax: (208) 226-7612

County Information


The County was named for the American Falls Power Plant. The County has American Falls as its seat and the County was created January 30, 1913. The County is located in the south central area of the state.[1]

Power County, Idaho Record Dates

Beginning Dates for Major County Records[2]
Birth Marriage Death Census Land Probate
1913 1870 1913 1900

County Courthouse

Power County Courthouse
543 Bannock
American Falls, ID 83211-1200
Phone: (208) 226-7611
Fax: (208) 226-7612

County Clerk has marriage records from 1914and divorce records from 1916.
Probate Court has probate records.
Magistrate Court has court records Assessor Office has land records. [3]

Quick Facts

Parent County

1913--Power County was created 30 January 1913 from Bingham, Blaine, and Oneida Counties.
County seat: American Falls [4]

Boundary Changes

Record Loss

There is no known history of courthouse disasters in this county.


The above list of places includes incorporated cities and towns, unincorporated towns and communities, and place names that may have been used in family histories. Some have well-organized records and even have websites. Some are simply social communities with no official records, but which may be referenced in small-town newspapers. The list is provided to help researchers identify localities within the county. As records or histories of these localities are identified, a page will be added for each of these place names.

This list of places in Power County, Idaho was compiled from the Lists of Places in Idaho in Wikipedia and from the map of Power County in Virtual Earth.


The types of records that follow are used for genealogy and family history. Most tell what you may learn and how to locate the records. Links to Internet sites usually go directly to Power County, Idaho Genealogy entries with names, images, or information.

Many of the older court, land, naturalization, probate, pension, and vital records for Power County have been microfilmed and are available at the Family History Library in Salt Lake City and through their family history centers. They are also available at the Idaho State Archives in Boise. Details of the county records in these respective institutions can be obtained from their online catalogs or listings. Original records which have been microfilmed and more recent records are in the county courthouse in American Falls[5].


Tombstone Transcriptions Online Tombstone Transcriptions in Print List of Cemeteries in the county
Findagrave.com Family History Library Findagrave.com
IDGenWeb WorldCat Billion Graves
IDGenWeb Archives
Tombstone Project
Idaho Gravestones
Billion Graves
See Idaho Cemeteries for more information.

There are many cemeteries in Power County. For a list of those that have been identified, and links to transcriptions and/or photographs of tombstones, go to Power County, Idaho Cemetery Records.

For the cemeteries in or immediately adjacent to the cities, please see the city pages for the cities listed above.


Historical populations
Census Pop.

For a summary of census records for the state of Idaho, see Idaho Census Records. Power County Schools created a very useful school census beginning in 1913 and continuing into the 1930's.  They are listed by school district and contain the names of the children, ages, and the names of their parents.  Some districts are missing for a year or two and it appears that not all districts were opperating. The originials are located at the County Historical Society Library and have been imaged by the Family History Library.


The Church of Jesus Christ of Latter-Day Saints (Mormons)
  • American Falls
  • Arbon
  • Crystal
  • Meadow
  • Neeley
  • Neeleyville
  • Rockland

County Commissioners' Records

The minute books of the County Commissioners contain interesting tidbits of history about the county as well as the names of individuals appealing to the County Commissioners for action on issues of concern to them. Minutes of those meetings were recorded from the formation of the county, for most counties. Some counties now post the minutes of current meetings online.

Most of these records have been preserved in the county courthouses of the State of Idaho. Few have been microfilmed. Contact the county clerk for information about years covered and availability.

Court Records

Some of the early court records of Power County, Idaho have been microfilmed and are available at the Idaho State Archives in Boise, Idaho. The records filmed include civil suits, divorce papers, judgment dockets, etc. Copies of these microfilmed court records are also available at the Family History Library in Salt Lake City, Utah or at any of the Library's Family History Centers. Additional court records and more recent records are housed at the Power County courthouse in American Falls, and can be accessed by making a visit there.

Some of the records of the courts of Power County that have been microfilmed include:

Judgment Books

  • Judgment docket, 1913-1928; index, 1913-1984


Historical Sketch of Power County  (From the Power County, Idaho Gen Web site)

Land and Property

Land and Property records are generally recorded in the county courthouse of the county in which the transaction took place. For original records of Power County, Idaho, one may visit the courthouse in American Falls, Idaho.

At this point, neither the Idaho State Archives nor the Family History Library in Salt Lake City, Utah has microfilmed land and property records of Power County.  It is suggested that you check Bingham, Blaine or Oneida counties from which Power County was formed.


Blaine CountyBingham CountyBannock CountyOneida CountyCassia CountyID POWER.PNG
About this image
Click a neighboring county
for more resources


Early migration routes to and from Power County, Idaho Genealogy for European and African American settlers included:


World War I draft registration cards, 1917-1918, for Power County have been microfilmed. Copies of these records are available at the Family History Library (their microfilm number 1452221) and are also available online at Ancestry.com, for a subscription fee. The original cards are maintained in the Southeast Regional Archives of the National Archives and Records Administration (NARA) in East Point, Georgia and have been microfilmed by the National Archives as their Microcopy M1509.

Miscellaneous Series

Often overlooked by the genealogist, this group of volumes may contain affidavits for citizenship, final disposition of estates, divorce decrees, and many other types of valuable documents. The content varies from county to county, year to year and from clerk to clerk. When the estate case files, civil or criminal files are not available or have been destroyed, you may find key documents recorded here. Most counties will have an index to this series and it is a must search if the information you are seeking is not found elsewhere.

Both the Idaho State Archives in Boise, Idaho, and the Family History Library in Salt Lake City, Utah have copies of the miscellaneous record of Power County. The originals are held in the Power County courthouse in American Falls, Idaho and can be accessed by visiting there. Copies in the Idaho State Archives are available for viewing in Boise. Those held by the Family History Library can be viewed either at the Library in Salt Lake City or at any of its Family History Centers.




Pension Records

Mothers' Pensions were provided by the State of Idaho for widows and/or orphans, under certain conditions. Petitions for those pensions were filed with the probate court in each county. The original papers for several counties have been transferred to the Idaho State Archives Boise and have been indexed. Power County Mothers' Pensions are included in that index which is available online.


Online Probate Records

Estate case files have been transferred to the Idaho State Archives in Boise.The registers that act as the index and list actions for each case remain in Power County. The Family History Library digital camera team has imaged the registers and the on-line results should soon be available .

Any existing and current probate records should be housed in the Power County courthouse in American Falls and may be accessed there.


Any existing tax assessment rolls for Power County should be in the courthouse in American Falls and would need to be accessed by visiting there.

Vital Records

Vital Records consist of births, adoptions, marriages, divorces, and deaths recorded on registers, certificates, and documents. United States Vital Records has additional research guidance on researching and using vital records. A copy or an extract of most original records can be purchased from the Idaho Vital Records State Department of Health or the Power County Clerk's office . See also Idaho Statewide Indexes and Collections at the Family History Library.


Online Records

There are 137 Power County births recorded in the online Idaho Births and Christenings.


Online Records

Over 1200 marriages, 1913-1941, are listed on the Western States Marriage Index.


Online Records


Online Records

Deaths occurring in Power County are included in the state-wide registration program. These records are restricted for a period of fifty years from the time of the individual's death but can be obtained by following the guidelines as mandated by the State of Idaho. See the Vital Records section under Idaho for details.

Copies of death certificates from 1911-1954 are on microfilm and can be used at the Idaho State Archives in Boise, the Family History Library in Salt Lake City, Utah, BYU-Idaho University Library in Rexburg and several other locations.

A state-wide index to Idaho Deaths, 1911-1956 is available online. Efforts to expand this index to 1960 are underway. Another version is Idaho Death Index 1911-1956.

Idaho Deaths and Burials (FamilySearch Historical Records) gives details about the collection that covers the years of 1907-1965.

Societies and Libraries

Many public libraries provide internet access to sites of value to the family historian. Some have special collections of historical and cultural interest, as well. The following libraries may have some resources of value, but use of some or all of them may require a visit to the library.

  • American Falls District
    308 Roosevelt St
    American Falls, ID 83211
    Phone: (208) 226-2335
  • Rockland School/Community
    321 E Center
    Rockland, ID 83271
    Phone: (208) 548-2222

Family History Centers

Family history centers provide one-on-one assistance and free access to premium genealogical websites. In addition, many centers have free how-to genealogy classes. See family history center for more information. Search the online FHC directory for a nearby family history center.



  1. Genealogy Trails History Group, “Power, Idaho Genealogy and History”, "http://genealogytrails.com/ida/power/."
  2. Alice Eichholz, Ancestry’s Red Book: American State, County and Town Sources, Revised ed. (Salt Lake City: Ancestry, 1992), 169-180. At various libraries (WorldCat); FHL Book 973 D27rb 1992
  3. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), Power, Idaho page 179, At various libraries (WorldCat); FHL Book 973 D27e 2002.
  4. The Handybook for Genealogists: United States of America,10th ed. (Draper, UT:Everton Publishers, 2002).
  5. Idaho State Historical Society Reference Series, Number 10, Counties and County Seats, Reissued July, 1991.
  6. census.gov - Idaho population by county, 1900-90 accessed 2009-05-03
  7. quickfacts.census.gov - Canyon County accessed 2009-05-03
  8. Jim Tompkins, "The Oregon Trail 1841-1848 Map IV" in Oregon Trail Landmarks at http://www.oregonpioneers.com/OTMap4.jpg (accessed 18 July 2011).
  9. "Oregon California Trails Association" at http://octatrails.micromaps.com/ (accessed 18 July 2011).