Jasper County Address Data

  • State: Iowa
  • County: Jasper County
  • County Seat: Newton
  • FIPS: 19099
  • Founded in: 1846
  • Population: 37,147
  • Density: 50 Persons/Square Mile
  • Area: 730 Square Miles
  • Government Type: County
  • Authority: Home Rule
  • Legislative Body: Board of Supervisors
  • Legislative Body Size: 3
  • County Contact: PO BOX 944
    County Courthouse
    Newton, IA 50208-0944
  • County site: http://www.co.jasper.ia.us
  • Labor Force: 19,266
  • Unemployment Rate: 2.60%
  • Gross Domestic Product (GDP): $1.1 B

Top Cities in Jasper County

Major Cities (population)

Neighbor Counties

  • Mahaska County
  • Marion County
  • Marshall County
  • Polk County
  • Poweshiek County
  • Story County
  • Tama County
On this page