Adams County | |
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![]() 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 | |
Country | ![]() |
State | ![]() |
Founded | July 10, 1797[1] |
Named for | John Adams |
Seat | West Union |
Largest village | West Union |
Area | |
• Total | 586 sq mi (1,520 km2) |
• Land | 584 sq mi (1,510 km2) |
• Water | 2.4 sq mi (6 km2) 0.4% |
Population (2020) | |
• Total | 27,477 ![]() |
• Density | 47/sq mi (18/km2) |
Time zone | UTC−5 (Eastern) |
• Summer (DST) | UTC−4 (EDT) |
Congressional district | 2nd |
Website | www |
Adams County is a county in the U.S. state of Ohio. As of the 2020 census, the population was 27,477.[2] Its county seat and largest village is West Union.[3] The county is named after John Adams, the second President of the United States.[4]