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

Trumbull County is located in the northeastern corner of Ohio. This remarkable county was named after Jonathan Trumbull (1710-1785), Governor of Connecticut when the county was organized. The county seat of Trumbull County is Warren. The county's area exceeds 616.48 square miles. Formed on Jul 10, 1800 from Jefferson and Wayne Counties, today Trumbull County counts over 201 thousand inhabitants. This map shows the borders of Trumbull 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 Trumbull County.