Clinton County, Michigan

Clinton County, Michigan
Clinton County Courthouse in St. Johns
Location within the U.S. state of Michigan
Coordinates: 42°56′N 84°37′W / 42.94°N 84.61°W / 42.94; -84.61
Country United States
State Michigan
Founded1831
Named afterDeWitt Clinton
SeatSt. Johns
Largest citySt. Johns
Area
 • Total
574 sq mi (1,490 km2)
 • Land566 sq mi (1,470 km2)
 • Water8.1 sq mi (21 km2)  1.4%
Population
 (2020)
 • Total
79,128
 • Estimate 
(2024)
80,050
 • Density140/sq mi (54.0/km2)
Time zoneUTC−5 (Eastern)
 • Summer (DST)UTC−4 (EDT)
Congressional district7th
Websiteclinton-county.org

Clinton County is a county in the U.S. state of Michigan. As of the 2020 United States census, the population was 79,128. The county seat is St. Johns. The county was created in 1831 and organized in 1839. It is named after early American politician DeWitt Clinton. Clinton County is included in the Lansing-East Lansing, MI Metropolitan Statistical Area.