Carroll County | |
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![]() 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 | |
Country | ![]() |
State | ![]() |
Founded | 1851 |
Named for | Charles Carroll of Carrollton |
Seat | Carroll |
Largest city | Carroll |
Area | |
• Total | 570 sq mi (1,500 km2) |
• Land | 569 sq mi (1,470 km2) |
• Water | 0.8 sq mi (2 km2) 0.1% |
Population (2020) | |
• Total | 20,760 |
• Density | 36/sq mi (14/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 4th |
Website | www |
Carroll County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 20,760.[1] Its county seat is Carroll.[2] The county is named in honor of Charles Carroll of Carrollton, signer of the Declaration of Independence.