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The genealogical records held here are for use by the general public. These records have been donated to the U.S. Data Repository for permanent online free-access. Please browse the county of interest in the table below.
State Records
   Court    Histories    Land    Law    Vital

County Records
   Ada    Adams    Alturas    Bannock    Bear Lake
   Benewah    Bingham    Blaine    Boise    Bonner
   Bonneville    Boundary    Butte    Camas    Canyon
   Caribou    Cassia    Clark    Clearwater    Custer
   Elmore    Franklin    Fremont    Gem    Gooding
   Idaho    Jefferson    Jerome    Kootenai    Latah
   Lemhi    Lewis    Lincoln    Madison    Minidoka
   Nez Perce    Oneida    Owyhee    Payette    Power
   Shoshone    Teton    Twin Falls    Valley    Washington

Idaho Quick Facts
Idaho, the Gem State
  Became Idaho Territory, 3 March 1863. Achieved statehood July 1890. Originally part of Oregon Territory. When Idaho became a territory in 1863, it included all of present day Montana and most of Wyoming.

State Capital
  Bosie City.

Idaho‘s Counties
  Ada County, formed in 1864 from Boise County.
  Adams County, formed in 1911 from Washington County.
  Bannock County, formed in 1893 from Bingham County.
  Bear Lake County, formed in 1875 from Oneida County.
  Benewah County, formed in 1915 from Kootenai County.
  Bingham County, formed in 1885 from Oneida County.
  Blaine County, formed in 1895 from Alturas County.
  Boise County, formed in 1863. Original County.
  Bonner County, formed in 1907 Kootenai County.
  Bonneville County, formed in 1911 from Binham County.
  Boundary County, formed in 1915 from Bonner County.
  Butte County, formed in 1917 from Bingham, Blaine, Jefferson Counties.
  Camas County, formed in 1917 from Blaine County.
  Canyon County, formed in 1892 from Ada County.
  Caribou County, formed in 1919 from Bannock County.
  Cassia County, formed in 1879 from Owyhee County.
  Clark County, formed in 1919 from Fremont County.
  Clearwater County, formed in 1911 from Nez Perce County.
  Custer County, formed in 1881 from Alturas, Lemhi Counties.
  Elmore County, formed in 1889 from Alturas County.
  Franklin County, formed in 1913 from Oneida County.
  Fremont County, formed in 1893 from Bingham County.
  Gem County, formed in 1915 from Boise, Canyon Counties.
  Gooding County, formed in 1913 from Lincoln County.
Idaho County, organized in 1861 while part of Washington Territory.
  Jefferson County, formed in 1913 from Fremont County.
  Jerome County, formed in 1919 from Gooding, Lincoln Counties.
  Kootenai County, created in 1864 from Nez Perce County, organized in 1881.
  Latah County, formed in 1888 from Nez Perce County.
  Lemhi County, formed in 1869 from Idaho County.
  Lewis County, formed in 1911 from Nez Perce County.
  Lincoln County, formed in 1895 from Alturas, Blaine Counties.
  Madison County, formed in 1913 from Fremont County.
  Minidoka County, formed in 1913 from Lincoln County.
  Nez Perce, original county formed in 1861 while part of Washington Territory.
  Oneida County, one of the original counties formed in 1864.
  Owyhee County, original county formed in 1863 while part of Washington Territory.
  Payette County, formed in 1917 from Canyon County.
  Power County, formed in 1913 from Bingham, Blaine, Oneida Counties.
  Shoshone County, original county formed in 1861 while part of Washington Territory.
  Teton County, formed in 1915 from Madison County.
  Twin Falls County, formed in 1907 Cassia County.
  Valley County, formed in 1917 from Boise, Idaho Counties.
  Washington County, formed in 1879 from Boise County.

Defunct County:
  Alturas County, one of the original counties formed in 1864, abolished 1895; records in Blaine County.




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