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

Carroll County is found in the northwestern part of Illinois. This glorious county was named after Charles Carroll of Carrollton (1737-1832), who signed the Declaration of Independence on behalf of Maryland. The total population of Carroll County exceeds 16 thousand people. The county, created in 1839, covers an area of 445 square miles. The county seat of Carroll County is Mount Carroll. This map shows the borders of Carroll 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 Carroll County.