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Illinois Gateway


Sitemap to all pages covering the state of Illinois. Contributions and photography for the Illinois guides from Alex Nitzman, Andy Field, Brent Ivy, Justin Cozart, Kelly Nitzman and Thomas Decker.

Interstate Guides

U.S. Highways

State Routes

Other Roads

Population Statistics

State Population
12,901,563
Metropolitan Populations
Chicago-Naperville-Joliet 7,990,248 Lake County-Kenosha County, IL-WI 876,918
Rockford 354,394 Peoria 372,487
Champaign-Urbana 224,191 Springfield 207,389
Bloomington-Normal 165,298 Decatur 108,328
Top County Populations
Cook 5,285,107 DuPage 929,192
Lake 710,241 Will 673,586
Kane 501,021 McHenry 315,943
Winnebago 298,759 Madison 267,347
Top City Populations
Chicago 2,853,114 Aurora 171,782
Rockford 157,272 Joliet 146,125
Naperville 143,117 Springfield 117,352
Peoria 114,114 Elgin 106,330
Waukegan 91,138 Cicero 80,976
Sources:
Annual Estimates of the Population of Metropolitan and Micropolitan Statistical Areas: April 1, 2000 to July 1, 2008;
Annual Estimates of the Population for Counties of Illinois: April 1, 2000 to July 1, 2007;
Annual Estimates of the Resident Population for Incorporated Places Over 100,000, Ranked by July 1, 2008 Population: April 1, 2000 to July 1, 2008;
Annual Estimates of the Population for Incorporated Places in Illinois, Listed Alphabetically: April 1, 2000 to July 1, 2007

Other Statistics

  • Capital: Springfield
  • Nickname: Prairie State
  • State Flower: Purple Violet
  • State Bird: Cardinal
  • State Tree: White Oak
  • Total Interstate Mileage: 2,169.53
  • Land Area: 57,918 square miles
  • Highest Point: Charles Mound 1,235 feet
  • Lowest Point: Mississippi River in Alexander County 279 feet
  • Number of Counties: 102
  • Statehood: 21st state; admitted December 3, 1818

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    Page Updated 12-19-2014.

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