Plymouth County Address Data

  • State: Iowa
  • County: Plymouth County
  • County Seat: Le Mars
  • FIPS: 19149
  • Founded in: 1851
  • Population: 25,095
  • Density: 29 Persons/Square Mile
  • Area: 862 Square Miles
  • Government Type: County
  • Authority: Home Rule
  • Legislative Body: Board of Supervisors
  • Legislative Body Size: 5
  • County Contact: 215 4Th Ave Se
    County Courthouse
    Le Mars, IA 51031-2169
  • County site: http://www.co.plymouth.ia.us
  • Labor Force: 14,786
  • Unemployment Rate: 1.90%
  • Gross Domestic Product (GDP): $1.6 B

Top Cities in Plymouth County

Major Cities (population)

Neighbor Counties

  • Cherokee County
  • O'brien County
  • Sioux County
  • Woodbury County
  • Union County
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