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

Jefferson County is placed in the eastern part of Ohio. This famous county was named after Thomas Jefferson (1743-1826), President of the United States. The total population of Jefferson County exceeds 65 thousand people. The county, established on Jul 29, 1797 as a part of Washington County, covers an area of 409.61 square miles. The county seat of Jefferson County is Steubenville. This map shows the borders of Jefferson 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 Jefferson County.