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

Allen County is placed in the western region of Ohio. This glorious county is named after John Allen (1771/2-1813), a War of 1812 colonel. The total population of Allen County exceeds 102 thousand people. The county, formed on Mar 1, 1820 as a part of Shelby County, covers an area of 404.43 square miles. The county seat of Allen County is Lima. This map shows the borders of Allen 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 Allen County.