Plymouth County, Iowa

42°44′18″N 96°13′13″W / 42.73833°N 96.22028°W / 42.73833; -96.22028

Plymouth County
Plymouth County Courthouse
Map of Iowa highlighting Plymouth County
Location within the U.S. state of Iowa
Map of the United States highlighting Iowa
Iowa's location within the U.S.
Coordinates: 42°44′18″N 96°13′13″W / 42.738333333333°N 96.220277777778°W / 42.738333333333; -96.220277777778
Country United States
State Iowa
FoundedJanuary 15, 1851
Named forPlymouth, Massachusetts
SeatLe Mars
Largest cityLe Mars
Area
 • Total864 sq mi (2,240 km2)
 • Land863 sq mi (2,240 km2)
 • Water0.8 sq mi (2 km2)  0.1%
Population
 (2020)
 • Total25,698
 • Density30/sq mi (11/km2)
Time zoneUTC−6 (Central)
 • Summer (DST)UTC−5 (CDT)
Congressional district4th
Websitewww.co.plymouth.ia.us

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.

  1. ^ "2020 Census State Redistricting Data". census.gov. United states Census Bureau. Retrieved August 12, 2021.
  2. ^ "Find a County". National Association of Counties. Retrieved June 7, 2011.
  3. ^ Chicago and North Western Railway Company (1908). A History of the Origin of the Place Names Connected with the Chicago & North Western and Chicago, St. Paul, Minneapolis & Omaha Railways. p. 163.