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

Madison County is situated in Metro East area of Illinois. This wonderful county was named after James Madison (1751-1836), fourth President of the United States and principal author of the Constitution. The area of Madison County is about 716 square miles. This county, created in 1812, is populated today by 264 thousand residents. Edwardsville is the county seat of Madison County. This map shows the borders of Madison 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 Madison County.