Franklin County on the map of Ohio 2024. Cities, roads, borders and directions in Franklin County of Ohio.

Franklin is the most populous county in Ohio, it is home for 1.3 million people. The county seat and the most populous city is Columbus. This map shows the borders of Franklin 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 Franklin County.