Sioux County Address Data

  • State: Iowa
  • County: Sioux County
  • County Seat: Orange City
  • FIPS: 19167
  • Founded in: 1851
  • Population: 34,909
  • Density: 45 Persons/Square Mile
  • Area: 767 Square Miles
  • Government Type: County
  • Authority: Home Rule
  • Legislative Body: Board of Supervisors
  • Legislative Body Size: 5
  • County Contact: PO BOX 18
    County Courthouse
    Orange City, IA 51041-0018
  • County site: http://www.siouxcounty.org/
  • Labor Force: 20,433
  • Unemployment Rate: 1.80%
  • Gross Domestic Product (GDP): $2.7 B

Top Cities in Sioux County

Major Cities (population)

Neighbor Counties

  • Cherokee County
  • Lyon County
  • O'brien County
  • Osceola County
  • Plymouth County
  • Lincoln County
  • Union County
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