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

Warren County is located in the southwestern part of Ohio. This remarkable county was named after General Joseph Warren (1741-1775), a Revolutionary War officer. The county seat of Warren County is Lebanon. The county's area exceeds 399.63 square miles. Established on May 1, 1803 from Hamilton County, today Warren County counts over 247 thousand inhabitants. This map shows the borders of Warren 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 Warren County.