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

Jo Daviess County is found in the northwestern corner of Illinois. This famous county was named after Joseph Hamilton Daveiss (1774-1811), commander of the Indiana Dragoons at the Battle of Tippecanoe. The population of Jo Daviess County exceeds 22 thousand people. The county, organized in 1827, covers an area of 600 square miles. The county seat of Jo Daviess County is Galena. This map shows the borders of Jo Daviess 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 Jo Daviess County.