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List of the main cities of Illinois, ordered by number of inhabitants.

nametypepopulation
Chicagocity2,695,598
Auroracity201,110
Jolietcity148,262
Rockfordcity147,651
Napervillecity147,122
Schaumburgtown131,957
Springfieldcity116,482
Peoriacity113,107
Elgincity112,603
Algonquintown100,313
Waukegantown92,066
Elk Grove Villagetown92,063
Cicerotown81,823
Champaigntown80,286
Decaturtown77,047
Bloomingtoncity76,610
Arlington Heightstown76,031
Evanstoncity74,486
Bolingbrooktown73,366
Palatinetown67,396
Des Plainestown57,033
Tinley Parktown56,703
Wheatontown54,611
Mount Prospecttown54,167
Oak Lawntown53,777
Normaltown52,497
Oak Parktown52,261
Berwyntown50,820
Downers Grovetown49,437
Elmhursttown46,387
Glenviewtown46,321
Bellevilletown44,478
Plainfieldtown42,933
Lombardtown42,792
DeKalbtown42,559
Molinecity42,250
Crystal Laketown41,533
Buffalo Grovetown41,346
Bartletttown41,208
Carol Streamtown40,067
Quincycity40,034
Urbanatown38,658
Rock Islandcity38,210
Streamwoodtown37,535
Calumet Citytown37,399
Carpentersvilletown37,397
Addisontown37,035
Park Ridgetown36,887
Collinsvilletown35,661
Bataviatown35,415
Northbrooktown34,142
North Chicagotown34,068
Mundeleintown33,063
Saint Charlestown32,974
Woodridgetown32,971
Danvilletown32,760
Glendale Heightstown32,349
Galesburgtown31,738
Highland Parktown31,614
Chicago Heightstown31,055
Gurneetown30,942
Granite Citytown30,593
Lake in the Hillstown29,359
Altontown29,269
Nilestown29,065
Harveytown28,501
Round Lake Beachtown28,283
Oak Foresttown27,970
Burbanktown27,669
Glen Ellyntown27,295
Lansingtown27,093
East St. Louistown27,006
McHenrytown26,992
West Chicagotown26,738
Wilmettetown26,737
Kankakeetown26,480
Oswegotown26,252
O'Fallontown25,822
Belvideretown25,585
Maywoodtown25,506
Homer Glentown25,415
Freeporttown25,254
Westmonttown25,059
Vernon Hillstown25,000
Ziontown24,895
Carbondaletown24,881
Woodstocktown24,770
Elmwood Parktown24,295
Edwardsvilletown24,270
Doltontown24,241
New Lenoxtown24,039
Genevatown23,975
Lockporttown23,840
Rolling Meadowstown23,682
Lisletown23,364
Darientown22,600
East Peoriatown22,549
Villa Parktown22,528
Machesney Parktown22,423
Melrose Parktown22,250