Elmore County, Idaho Genealogy

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United States  > Idaho > Elmore County

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County Courthouse

Elmore County CH.jpg

Elmore County Courthouse
150 South 4th East Suite 5
Mountain Home Idaho 83647
Phone: 208.587.2130 Extension 508
Fax: 208.587.2134

Quick Facts

  • Named for Ida Elmore mines, the area's greatest silver and gold producer in 1860s.
  • The Oregon Trail crossed the Snake River near Glenns Ferry.

Parent County

7 February 1889: Elmore County, Idaho was created from Ada and  Alturas Counties. [1]

Boundary Changes

Record Loss


The preceding 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 web sites. 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 Elmore County, Idaho was compiled from the Lists of Places in Idaho in Wikipedia and from the map of Elmore County in Virtual Earth.


Many of the older court, land, naturalization, probate, pension, and vital records for Elmore 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 Mountain Home[2].


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

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


For a summary of census records for the state of Idaho, see Idaho Census Records.

The 1890 federal census for Idaho was destroyed. However, the Idaho State Archives is creating a list of 1890 Idaho residents by indexing a variety of records, 1885-1894. This reconstructed list will substitute for the destroyed 1890 federal census. Elmore County is included in this reconstructed census.


The Church of Jesus Christ of Latter-Day Saints (Mormons)

The following are local congregations (wards) of The Church of Jesus Christ of Latter-Day Saints which existed in Canyon County, Idaho prior to 1950. Many of the original records of these church units are in the Historical Library in Salt Lake City. Many of the membership records covering these units from the date of their creation to about 1948 have been microfilmed and are available at the Family History Library in Salt Lake City.

  • Glenn's Ferry
  • Mountain Home

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.


Judgment Books



Land and Property records are generally held in the county in which the transaction took place.  For Elmore County this would be at the courthouse in Mountain Home and would require a visit to access the records.

The Idaho State Archives has microfilmed many of the county records of Elmore County, among them the land and property records, which can be viewed by visiting the Archives in Boise, Idaho.

The Family History Library in Salt Lake City, Utah has also microfilmed some deeds and homestead records of Elmore County. These films are available for viewing at the Library in Salt Lake City or in any of its Family History Centers.



World War I draft registration cards, 1917-1918, for Elmore County have been microfilmed. Copies of these records are available at the Family History Library (their microfilm number 1452214) 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.


The original naturalization records of Elmore County that have been transferred to the Idaho State Archives in Boise have been indexed in their Index to Naturalizations.




Probate records are generally housed in the county in which the transaction took place, and can be accessed by contacting the Elmore county courthouse which is located in Mountain Home.

The Family History Library has microfilmed some probate records from Elmore County (Wills 1892-1936) and the films are available in the Library in Salt Lake City or in any of its Family History Centers.

The Idaho State Archives has these same films for Elmore County Wills (1892-1936) which can be accessed by visiting the Archives in Boise, Idaho.


Any existing tax assessment rolls for Elmore County should be in the courthouse in Mountain Home and would need to be accessed by visiting there.

Vital Records


The Birth Registers for Elmore County, 1907-1911, have been microfilmed and are available at the Idaho State Archives in Boise and at the Family History Library in Salt Lake City, Utah. Birth records, 1911 to present, for individuals born in the Elmore County area are included in and recorded at the state level. These records are restricted for a period of one hundred years from the time of the individual's birth but can be obtained by following the guidelines as issued by the State of Idaho. See the Vital Records section under the subject Idaho for more details.


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.

  • Glenns Ferry Public Library
    298 S Lincoln
    Glenns Ferry, ID 83623
    Phone: (208) 366-2045
  • Mountain Home Public Library
    790 N 10th E
    Mountain Home, ID 83647
    Phone: (208) 587-4716
  • Prairie District Library
    71 Smith Creek Rd
    Prairie, ID 83647
    Phone: (208) 868-3246
  • Mountain Home Historical Museum‎
    180 South 3rd East, Mountain Home, ID 83647-3019
    (208) 587-6847‎

Web Sites


  1. Handybook for Genealogists: United States of America, 10th ed. (Draper, Utah: Everton Pub., 2002), [FHL book 973 D27e 2002].
  2. Idaho State Historical Society Reference Series, Number 10, Counties and County Seats, Reissued July, 1991.