Clark County on the map of Illinois 2024. Cities, roads, borders and directions in Clark County of Illinois.

USA / Illinois / Clark County

Clark County is situated on the eastern border of Illinois. This well known county was named after George Rogers Clark (1752-1818), highest-ranking officer in the Northwest Territory during the American Revolution. The area of Clark County is about 501 square miles. The county, formed in 1819, is populated today by 15 thousand residents. Marshall is the county seat of Clark County. This map shows the borders of Clark County as well as neighboring counties, including major highways and natural objecsts as of 2024. 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.

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The borders of Clark County over the map of Illinois

An image of Clark County, IL

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