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

USA / Ohio / Mercer County

Mercer County is placed on the western border of Ohio. This famous county was named after General Hugh Mercer (1726-1777), a Revolutionary War officer. The total population of Mercer County exceeds 42 thousand people. The county, organized on Apr 1, 1820 as a part of Darke County, covers an area of 463.27 square miles. The county seat of Mercer County is Celina. This map shows the borders of Mercer 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 Mercer County.


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The borders of Mercer County over the map of Ohio

An image of Mercer County, OH

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