Carroll County, Iowa

Carroll County
Location within the U.S. state of Iowa
Iowa's location within the U.S.
Coordinates: 42°02′14″N 94°51′32″W / 42.037222222222°N 94.858888888889°W / 42.037222222222; -94.858888888889
Country United States
State Iowa
Founded1851
Named afterCharles Carroll of Carrollton
SeatCarroll
Largest cityCarroll
Area
  Total
570 sq mi (1,500 km2)
  Land569 sq mi (1,470 km2)
  Water0.8 sq mi (2 km2)  0.1%
Population
 (2020)
  Total
20,760
  Density36/sq mi (14/km2)
Time zoneUTC−6 (Central)
  Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitewww.carrollcountyiowa.gov

Carroll County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 20,760. Its county seat is Carroll. The county is named in honor of Charles Carroll of Carrollton, signer of the Declaration of Independence.