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 203 years ago in 1818. Its capital city is "Springfield".

There are more than 100 city/town in Illinois, . The largest city of Illinois is Chicago with a population of 2,677,643. Other cities include, Markham population 328,966, Aurora population 196,383, Naperville population 147,986, Rockford population 144,835

Chicago
Chicago

Chicago, city and county seat of Cook County, Illinois, United States

Markham
Markham

Markham, city in Cook County, Illinois, United States

Aurora
Aurora

Aurora, city in Kane County, Illinois, United States

All Illinois Cities (Aphebetical)

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 City and county seat of Cook County, Illinois, United States Nomós Aitolías kai Akarnanías 2,677,643
Markham City in Cook County, Illinois, United States Cook 328,966
Aurora City in Kane County, Illinois, United States Kane 196,383
Naperville City in DuPage and Will counties in Illinois, United States DuPage 147,986
Rockford County seat of Winnebago County, Illinois, United States Winnebago 144,835
York Town in Clark County, Wisconsin, USA Clark 124,802
Springfield City in and county seat of Sangamon County, Illinois, United States and Illinois federated state capital city Sangamon 113,671
North Peoria City in Peoria County, Illinois, United States of America Peoria 113,004
Elgin City in Cook and Kane counties in the northern part of the U. Kane 110,196
Peoria County seat of Peoria County, Illinois, United States Peoria 109,428
Bremen Precinct in Randolph County Randolph 106,197
Champaign Champaign County, Illinois, United States Champaign 89,390
Joliet City in Illinois, United States Will 85,583
Waukegan County seat of Lake County, Illinois, United States Lake 85,453
Cicero Town in Illinois Cook 79,727
Bloomington City in Illinois, United States 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
Arlington Heights Village in Cook County, Illinois, United States; suburb of Chicago, Illinois Sangamon 73,999
Evanston Suburban city in Cook County, Illinois, United States Cook 72,683
Schaumburg Large village located in Cook County in Illinois, USA Cook 72,049
Decatur City in Macon County, Illinois, United States 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 City in Niagara County, New York, United States Will 59,877
Des Plaines 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 City in Illinois Cook 53,701
Mount Prospect Village in Elk Grove and Wheeling Townships in Cook County, Illinois, United States Cook 53,299
Wheaton City in DuPage County, Illinois, United States DuPage 52,451
Oak Park Village in Cook County, Illinois, United States; suburb of Chicago, Illinois Cook 51,852
Hoffman Estates Northwestern suburb of Chicago in Illinois, United States 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
Glenview Village in Cook County, Illinois, United States Saint Clair 46,823
Elmhurst City in Illinois DuPage 46,532
Plainfield Village in Illinois, United States Jasper 44,542
Lombard Village in Illinois DuPage 43,961
DeKalb City in De Kalb County, Illinois, United States DeKalb 42,621
Buffalo Grove Village in Illinois, United States of America Cook 41,496
Moline City in Illinois Rock Island 41,065
Belleville City in Illinois Saint Clair 40,536
Bartlett Village in United States of America Cook 40,312
Buffalo Grove Village in Illinois, United States of America Ogle 40,161
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
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