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

Clay County is located in the southern section of Illinois. This remarkable county was named after Henry Clay (1777-1852), Kentucky legislator who negotiated the Missouri Compromise. The county seat of Clay County is Louisville. The county's area is 468 square miles. Created in 1824, today Clay County is home to 13 thousand americans. This map shows the borders of Clay 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 Clay County.