Mahaska County Address Data

  • State: Iowa
  • County: Mahaska County
  • County Seat: Oskaloosa
  • FIPS: 19123
  • Founded in: 1843
  • Population: 22,000
  • Density: 38 Persons/Square Mile
  • Area: 570 Square Miles
  • Government Type: County
  • Authority: Home Rule
  • Legislative Body: Board of Supervisors
  • Legislative Body Size: 3
  • County Contact: 106 S 1St St
    County Courthouse
    Oskaloosa, IA 52577-3101
  • County site: http://www.mahaskacounty.org
  • Labor Force: 11,695
  • Unemployment Rate: 2.50%
  • Gross Domestic Product (GDP): $872.6 M

Top Cities in Mahaska County

Major Cities (population)

Neighbor Counties

  • Jasper County
  • Keokuk County
  • Marion County
  • Monroe County
  • Poweshiek County
  • Wapello County
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