Development of County Boundaries

Development of Clark County Boundaries

The development of Clark County changed progressively through out the years from before it was established on February 1, 1919. The thumbnails below identify the changes beginning in 1860 when Idaho was still a part of Washington Territory.

Washington and Oregon Territories - 1860

Idaho became a territory in 1863

Idaho Territory separated from Washington - 1867

Idaho Territory - 1884

six years before becoming a state

1888 Map of Idaho from

Rand McNally & Co

Clark 1870 - Part of Alturas and Oneida

Clark 1880 - Part of Alturas and Oneida

Clark 1890 - Part of Bingham and Lemhi

Clark 1900 - Part of Fremont

Clark 1910 - Part of Fremont

Clark 1919 - Established as a county

© 1973 Idaho Genealogical Society,

Idaho Territory Federal Population Schedules and Mortality Schedules 1870,

Idaho Genealogical Society, Quarterly 23, July 1980

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Development of Clark County Boundaries The development of Clark County changed progressively through out the years from before it was established on February 1, 1919. The thumbnails below identify the changes beginning in 1860 when Idaho was still a part of Washington Territory.
Washington and Oregon Territories - 1860	Idaho became a territory in 1863 Idaho Territory separated from Washington - 1867
Idaho Territory - 1884 six years before becoming a state	1888 Map of Idaho from Rand McNally & Co
Clark 1870 - Part of Alturas and Oneida	Clark 1880 - Part of Alturas and Oneida
Clark 1890 - Part of Bingham and Lemhi	Clark 1900 - Part of Fremont
Clark 1910 - Part of Fremont	Clark 1919 - Established as a county
© 1973 Idaho Genealogical Society, Idaho Territory Federal Population Schedules and Mortality Schedules 1870, Idaho Genealogical Society, Quarterly 23, July 1980 :: Home :: Webmaster :: Site Updates ::