Monroe County, Ohio

Monroe County
Monroe County Courthouse
Location within the U.S. state of Ohio
Ohio's location within the U.S.
Coordinates: 39°44′N 81°05′W / 39.73°N 81.08°W / 39.73; -81.08
Country United States
State Ohio
FoundedMarch 1, 1815
Named afterJames Monroe
SeatWoodsfield
Largest villageWoodsfield
Area
  Total
457 sq mi (1,180 km2)
  Land456 sq mi (1,180 km2)
  Water1.7 sq mi (4 km2)  0.4%
Population
 (2020)
  Total
13,385
  Estimate 
(2024)
13,051
  Density28.6/sq mi (11.0/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district6th
Websitewww.monroecountyohio.net

Monroe County is a county located on the eastern border of the U.S. state of Ohio, across the Ohio River from West Virginia. As of 2023, the population was 13,153, making it the second-least populous county in Ohio. Its county seat is Woodsfield. The county was created in 1813 and later organized in 1815.