Knox County on the map of Ohio 2025. Cities, roads, borders and directions in Knox County of Ohio.

USA / Ohio / Knox County

Knox County is located in the central area of Ohio. This remarkable county was named after General Henry Knox, the first Secretary of War. The county seat of Knox County is Mount Vernon. The county's area exceeds 527.12 square miles. Established on Mar 1, 1808 from Fairfield County, today Knox County counts over 63 thousand inhabitants. This map shows the borders of Knox County as well as neighboring counties, including major highways and natural objecsts as of 2025. 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 Knox County.

The borders of Knox County over the map of Ohio

An image of Knox County, OH

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