Mercer County Address Data

Time in Mercer County, Illinois
06:36:06 AM
Time in Mercer County, Illinois
  • State: Illinois
  • County: Mercer County
  • County Seat: Aledo
  • FIPS: 17131
  • Founded in: 1825
  • Population: 15,601
  • Density: 27 Persons/Square Mile
  • Area: 561 Square Miles
  • Government Type: County
  • Authority: Dillon's Rule
  • Legislative Body: Board of Commissioners
  • Legislative Body Size: 10
  • County Contact: 100 Se 3Rd St
    County Courthouse
    Aledo, IL 61231-1948
  • County site: http://www.mercercountyil.org/
  • Labor Force: 8,103
  • Unemployment Rate: 5.30%
  • Gross Domestic Product (GDP): $403.9 M

Top Cities in Mercer County

Major Cities (population)

Neighbor Counties

  • Henderson County
  • Henry County
  • Knox County
  • Rock Island County
  • Warren County
  • Des Moines County
  • Louisa County