Map of Illinois Counties

Create a custom map of Illinois divided by counties, and export your map as a high-resolution PNG, SVG or PDF for documents, presentations, or reports. Fill each county with different colors manually, or quickly apply colors by importing data from Excel, Google Sheets, or CSV files. Add pins to highlight key cities, office locations, distribution centers, or other important places around Illinois.

Manual coloring lets you highlight territories and sales regions directly. The map tool can also suggest color patterns based on your uploaded dataset, giving you an efficient way to build visualizations.

For interactive needs, set up a clickable map of Illinois counties to embed on your website. Viewers can hover or click on individual counties to display more details or data as needed.

Map Details

This map supports labels.

This map supports surrounding areas. New

This map is divided into 102 counties:

  • Adams
  • Alexander
  • Bond
  • Boone
  • Brown
  • Bureau
  • Calhoun
  • Carroll
  • Cass
  • Champaign
  • Christian
  • Clark
  • Clay
  • Clinton
  • Coles
  • Cook
  • Crawford
  • Cumberland
  • De Witt
  • DeKalb
  • Douglas
  • DuPage
  • Edgar
  • Edwards
  • Effingham

Check out the related maps below if you're looking for a different map of the same geographic region.

Download Map of Illinois Counties

Below you can download free printable Map of Illinois Counties in high resolution PNG or SVG formats.
If you need different colors or features, you can customize this map in Ultimaps Studio.

About Illinois Counties

Illinois is subdivided into 102 counties. These counties function as core administrative divisions, managing local government, records, and regional services across the state. County boundaries in Illinois have remained consistent for many decades, forming the foundation for political and business mapping activities.

Key facts about Illinois and its counties:

  • Number of counties: 102
  • Largest county by area: McLean County
  • Most populous county: Cook County (which includes Chicago)
  • Smallest county by area: Putnam County
  • Neighboring states: Wisconsin, Iowa, Missouri, Kentucky, Indiana
  • County boundaries have been stable since the late 1800s
  • Major urban centers include Chicago (Cook County), Peoria, Rockford, and Springfield
  • Counties vary in population, land size, and local resources

Updates

Sep 4, 2025:

  • Improved map quality
  • Added support for surrounding areas and lakes

Aug 26, 2024:

  • Added map of Illinois Counties