Cities & Towns in Illinois,

Illinois, state of the United States of America. As of 2020 state had an estimated population of 12,587,530 inhabitants. The state was created 205 years ago in 1818. Its capital city is Springfield.

Chicago
Chicago

Chicago, The third most populous city in the United States and the center of the Chicago metropolitan area.

Aurora
Aurora

Aurora, The second most populous city in Illinois.

Naperville
Naperville

Naperville, The second most populous city in Illinois.

From the busy streets of Chicago to the river towns dotting its southern border, Illinois offers a variety of urban attractions and rural charm within its 57,000 square miles. Home to over 12.7 million residents, notable destinations in Illinois include:

Chicago - The largest city in the Midwest, Chicago dazzles with world-class museums like the Art Institute of Chicago, iconic sports teams and venues, deep dish pizza, and stunning lakefront skyline views.

Springfield - Illinois’ capital city, Springfield provides history buffs with Abraham Lincoln sites like his Home and Tomb along with expansive state government buildings.

Galena - Nestled near the Mississippi River, Galena is a beautifully preserved 19th century town with scenic vistas. Its Victorian-era downtown offers shopping, tours, and winery tastings.

Nauvoo - Founded by Mormons in the 1840s, Nauvoo retains its fascinating religious history. Historic homes and buildings like the rebuilt Nauvoo Temple transport visitors back in time.

Champaign-Urbana - Home to the University of Illinois, this twin college town offers innovative dining, cultural events, sports, and entertainment catering to students.

From the big city lights of Chicago to historic small towns, Illinois offers the best of Midwestern metropolitan areas alongside rural escape. Its rivers, lakes, and prairies provide scenic backdrops to favorite destinations.

All Illinois Cities (Aphebetical)

List of cities, towns, neighborhoods & other populated places in Illinois.

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z all
City Name Title County Population
Chicago The third most populous city in the United States and the center of the Chicago metropolitan area. Nomós Aitolías kai Akarnanías 2,677,643
Aurora The second most populous city in Illinois. Kane 196,383
Naperville The second most populous city in Illinois. DuPage 147,986
Rockford The second most populous city in Illinois. Winnebago 144,835
Springfield The capital of Illinois and the county seat of Sangamon County. Sangamon 113,671
Elgin The second most populous city in Kane County, Illinois. Kane 110,196
Peoria The third most populous city in Illinois. Peoria 109,428
Bremen A village in Ford County, Illinois. Randolph 106,197
Champaign The most populous city in Champaign County, Illinois. Champaign 89,390
Joliet The second most populous city in Will County, Illinois. Will 85,583
Waukegan The second most populous city in Lake County, Illinois. Lake 85,453
Cicero Town in Illinois Cook 79,727
Bloomington The second most populous city in McLean County, Illinois. McLean 77,132
Arlington Heights Village in Cook County, Illinois, United States; suburb of Chicago, Illinois Cook 75,101
Bolingbrook Town in Illinois Will 74,025
Evanston A city in Cook County, Illinois. Cook 72,683
Schaumburg Large village located in Cook County in Illinois, USA Cook 72,049
Decatur The most populous city in Macon County, Illinois. Macon 70,007
Palatine Village in Cook County, Illinois, United States Cook 66,830
Skokie Village in Cook County, Illinois, United States Cook 62,404
Lockport The most populous city in Will County, Illinois. Will 59,877
Des Plaines The most populous city in Cook County, Illinois. Cook 58,179
Orland Park Village in Illinois Cook 57,347
Tinley Park Village located in Cook County, Illinois, United States Cook 55,221
Normal Town in McLean County, Illinois, United States McLean 54,451
Oak Lawn Village in Illinois, United States of America Cook 54,376
Berwyn A city in Cook County, Illinois. Cook 53,701
Mount Prospect Village in Elk Grove and Wheeling Townships in Cook County, Illinois, United States Cook 53,299
Wheaton The most populous city in DuPage County, Illinois. DuPage 52,451
Oak Park Village in Cook County, Illinois, United States; suburb of Chicago, Illinois Cook 51,852
Hoffman Estates A city in Cook County, Illinois. Cook 50,495
Downers Grove Village in Downers Grove, Lisle, and York Townships, DuPage County, Illinois, US DuPage 48,727
Glenview Village in Cook County, Illinois, United States Cook 47,446
Elmhurst A city in DuPage County, Illinois. DuPage 46,532
Plainfield Village in Illinois, United States Jasper 44,542
Lombard Village in Illinois DuPage 43,961
DeKalb The county seat of DeKalb County, Illinois. DeKalb 42,621
Buffalo Grove Village in Illinois, United States of America Cook 41,496
Moline The largest city in Rock Island County, Illinois. Rock Island 41,065
Belleville The county seat of St. Saint Clair 40,536
Bartlett Village in United States of America Cook 40,312
Romeoville Town Will 39,770
Crystal Lake City located in McHenry County, Illinois, USA McHenry 39,642
Quincy County seat of Adams County, Illinois, United States Adams 39,589
Wheeling City in West Virginia Cook 38,958
Carol Stream Town DuPage 38,821
Streamwood Village in United States of America Cook 38,777
Hanover Park Village in United States of America Cook 37,164
Carpentersville Village in Kane County, Illinois Kane 36,940
Rock Island City in Illinois Rock Island 36,870
Oswego City in and county seat of Oswego County, New York, United States Kendall 36,696
Park Ridge City in Cook County, Illinois, United States Cook 36,514
Shields Township in Lake County, Illinois Jefferson 36,451
Calumet City City in Illinois Cook 35,913
Glendale Heights Town DuPage 33,351
Woodridge Suburb of Chicago in Illinois, USA DuPage 33,329
St. Charles Chicago suburb in Kane and DuPage counties of Illinois, United States Kane 32,974
Northbrook Village in Illinois Cook 32,657
Elk Grove Township in Cook County, Illinois Cook 31,831
Elk Grove Village City in Illinois, United States of America Cook 31,831
Pekin County seat of Tazewell County, Illinois Tazewell 31,808
Mundelein Village in Lake County, Illinois, United States Lake 30,945
Algonquin Village in Illinois McHenry 30,730
Bristol Township in Kendall County, Illinois Kendall 30,486
Gurnee Village in Illinois Lake 30,168
Danville City in and the county seat of Vermilion County, Illinois, United States Vermilion 30,106
Galesburg County seat of Knox County, Illinois, United States Knox 29,803
North Chicago City and suburb of Chicago, Illinois, USA Lake 29,639
O'Fallon Township in St. Saint Clair 29,606
Highland Park City in Lake County, Illinois, United States Lake 29,427
Upper Alton City in Madison County, Illinois, United States of America Madison 29,251
Chicago Heights City in Cook County, Illinois, United States Cook 28,990
Niles City in Trumbull County, Ohio Cook 28,615
Lake in the Hills Village in Illinois McHenry 28,345
South Chicago Former township in Cook County, Illinois Cook 28,095
Burbank City in Cook County, Illinois, United States Cook 27,933
Glen Ellyn Town in DuPage County, Illinois, USA DuPage 27,402
Huntley Village in McHenry and Kane counties, Illinois, United States McHenry 27,256
McHenry City in Illinois McHenry 27,100
New Lenox Village in Illinois Will 27,088
Lansing Village in Illinois, USA Cook 27,059
Round Lake Beach City in Illinois, United States of America Lake 26,919
Oak Forest City in Cook County, Illinois Cook 26,884
Wilmette Village in Cook County, Illinois, United States Cook 26,819
West Chicago City in DuPage County, Illinois, United States DuPage 26,593
Batavia City in Illinois USA Kane 26,442
Vernon Hills City in United States of America Lake 26,425
Alton City in Madison County, Illinois, United States Madison 26,049
East Saint Louis City in St. Saint Clair 25,776
Kankakee City in Kankakee County, Illinois, United States Kankakee 25,668
Granite City Township in Madison County, Illinois Madison 25,662
Edwardsville City in Madison County, Illinois, United States Madison 25,189
Carbondale City in Illinois, USA Jackson 25,036
Belvidere City in Illinois Boone 24,731
South Elgin City in Illinois, United States of America Kane 24,646
Melrose Park Village in Cook County, Illenois, United States of America Cook 24,406
Homer Glen Village in Illinois, United States Will 24,281
Westmont City in DuPage County, Illinois, United States of America DuPage 24,266
Collinsville City in Illinois Madison 24,217
Harvey City in Cook County, Illinois, United States Cook 24,109
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County Cities on Map (100)