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

Washington County is situated in the southern region of Illinois. This well known county was named after George Washington (1732-1799), first President of the United States. The area of Washington County is about 562 square miles. This county, set up in 1818, is populated today by 14 thousand residents. Nashville is the county seat of Washington County. This map shows the borders of Washington 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 Washington County.