Grundy County Address Data

  • State: Illinois
  • County: Grundy County
  • County Seat: Morris
  • FIPS: 17063
  • Founded in: 1841
  • Population: 50,972
  • Density: 121 Persons/Square Mile
  • Area: 418 Square Miles
  • Government Type: County
  • Authority: Dillon's Rule
  • Legislative Body: Board of Commissioners
  • Legislative Body Size: 18
  • County Contact: 1320 Union Street
    Administration Center
    Morris, IL 60450-2426
  • County site: https://www.grundyco.org/
  • Labor Force: 25,255
  • Unemployment Rate: 4.70%
  • Gross Domestic Product (GDP): $3.1 B

Top Cities in Grundy County

Major Cities (population)

Neighbor Counties

  • Kankakee County
  • Kendall County
  • Lasalle County
  • Livingston County
  • Will County
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