42°44′18″N 96°13′13″W / 42.73833°N 96.22028°W
Plymouth County | |
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![]() Location within the U.S. state of Iowa | |
![]() Iowa's location within the U.S. | |
Coordinates: 42°44′18″N 96°13′13″W / 42.738333333333°N 96.220277777778°W | |
Country | ![]() |
State | ![]() |
Founded | January 15, 1851 |
Named for | Plymouth, Massachusetts |
Seat | Le Mars |
Largest city | Le Mars |
Area | |
• Total | 864 sq mi (2,240 km2) |
• Land | 863 sq mi (2,240 km2) |
• Water | 0.8 sq mi (2 km2) 0.1% |
Population (2020) | |
• Total | 25,698 |
• Density | 30/sq mi (11/km2) |
Time zone | UTC−6 (Central) |
• Summer (DST) | UTC−5 (CDT) |
Congressional district | 4th |
Website | www |
Plymouth County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 25,698.[1] The county seat is Le Mars.[2] Plymouth County was named after Plymouth, Massachusetts.[3]
Plymouth County is part of the Sioux City, IA-NE-SD Metropolitan Statistical Area.