Clark County on the map of Idaho as of 2025. Cities, roads, borders and directions in Clark County of Idaho.

Clark County is found in the eastern part of Idaho. This special county is named after Sam K. Clark, early settler and a member of the Idaho Senate. The population of Clark County exceeds 1 thousand people. The county, organized in 1919, spans an area of 1765 square miles. The county seat of Clark County is Dubois. This map shows the borders of Clark County as well as neighboring counties, including major highways and natural objecsts as of 2025. Zoom in or out of the map using the plus/minus panel. Move the center of this map by dragging it. Also check out the satellite map of Clark County.