Cities, Towns and Villages in Jefferson County, Illinois

Here is a list of all the cities, towns and villages in Jefferson county, Illinois

Welcome to Jefferson County, Illinois, where Midwestern charm meets a rich tapestry of history. Nestled in the southern part of the state, Jefferson County invites you to explore its scenic landscapes, vibrant communities, and a blend of rural and urban living.

Here is a list of all the cities, towns, and villages in Jefferson County, Illinois:


  1. Mount Vernon
  2. Nason


Jefferson County is divided into sixteen townships:

  1. Bald Hill
  2. Blissville
  3. Casner
  4. Dodds
  5. Elk Prairie
  6. Farrington
  7. Field
  8. Grand Prairie
  9. McClellan
  10. Moore’s Prairie
  11. Mt. Vernon
  12. Pendleton
  13. Rome
  14. Shiloh
  15. Spring Garden
  16. Webber


  1. Belle Rive
  2. Bluford
  3. Bonnie
  4. Dix
  5. Ina
  6. Waltonville
  7. Woodlawn

Other unincorporated communities

  1. Bakerville
  2. Boyd
  3. Camp Ground
  4. Dareville
  5. Divide
  6. Drivers
  7. Harmony
  8. Roaches
  9. Scheller
  10. Texico

Census-designated place

  1. Opdyke

Quick Facts about Jefferson county, Illinois

Here are some quick facts about Jefferson county, Illinois:

  • Official Website:
  • County Seat: Mount Vernon
  • Founded: 1819
  • Area: Approximately 571 square miles
  • Population: Around 38,000
  • Geography: Diverse landscapes with a mix of rural and urban areas.
  • Economy: Historically tied to agriculture, with a mix of industry and local businesses.
  • Notable City: Mount Vernon is the largest city and the county seat.
  • Education: Home to local schools, including Rend Lake College.
  • Recreation: Offers parks, outdoor activities, and cultural events.
  • Notable Landmarks: The county features historical sites, including those in Mount Vernon.

Is Jefferson County a town?

  • Jefferson County is a county located in the U.S. state of Colorado. As of the 2020 census, the population was 582,910, making it the fourth-most populous county in Colorado. The county seat is Golden, and the most populous city’s Lakewood.