Clinton County, Ohio

Clinton County
The Wilmington Commercial Historic District is on the National Register of Historic Places listings in Clinton County
Location within the U.S. state of Ohio
Ohio's location within the U.S.
Coordinates: 39°24′54″N 83°48′30″W / 39.41498°N 83.80838°W / 39.41498; -83.80838
Country United States
State Ohio
FoundedMarch 1, 1810
Named afterGeorge Clinton
SeatWilmington
Largest cityWilmington
Area
  Total
412 sq mi (1,070 km2)
  Land409 sq mi (1,060 km2)
  Water3.6 sq mi (9 km2)  0.9%
Population
 (2020)
  Total
42,018
  Density102.7/sq mi (39.7/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (EDT)
Congressional district2nd
Websiteco.clinton.oh.us

Clinton County is a county located in the U.S. state of Ohio. As of the 2020 United States census, the population was 42,018. Its county seat and largest city is Wilmington. The county is named for former U.S. Vice President George Clinton. Clinton County comprises the Wilmington, Ohio Micropolitan Statistical Area, which is also included in the Cincinnati-Wilmington-Maysville, OH-KY-IN Combined Statistical Area.