Monroe County, Ohio

Monroe County, Ohio
Monroe County Courthouse
Location within the U.S. state of Ohio
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 (4.4 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.