Adams County, Ohio

Adams County
Location within the U.S. state of Ohio
Ohio's location within the U.S.
Coordinates: 38°50′N 83°29′W / 38.84°N 83.48°W / 38.84; -83.48
Country United States
State Ohio
FoundedJuly 10, 1797
Named afterJohn Adams
SeatWest Union
Largest villageWest Union
Area
  Total
586 sq mi (1,520 km2)
  Land584 sq mi (1,510 km2)
  Water2.4 sq mi (6 km2)  0.4%
Population
 (2020)
  Total
27,477
  Density47/sq mi (18/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district2nd
Websitehttps://adamscountyoh.gov/

Adams County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 27,477. Its county seat and largest village is West Union. The county is named after John Adams, the second President of the United States.