| | Illinois, United States | Cities | | Population | • | Chicago | | 2,740,076 | • | Aurora | | 170,490 | • | Rockford | | 157,272 | • | Naperville | | 128,358 | • | Springfield | | 114,738 | • | Joliet | | 106,221 | • | Peoria | | 102,136 | • | Elgin | | 93,412 | • | Waukegan | | 92,046 | • | DeKalb | | 89,223 | • | Champaign | | 79,389 | • | Arlington Heights | | 78,001 | • | Schaumburg | | 75,386 | • | Evanston | | 74,811 | • | Palatine | | 65,479 | • | Skokie | | 63,965 | • | Des Plaines | | 58,720 | • | Wheaton | | 55,416 | • | Oak Lawn | | 55,245 | • | Oak Park | | 52,524 | • | Normal | | 52,497 | • | Hoffman Estates | | 49,495 | • | Downers Grove | | 48,724 | • | Buffalo Grove | | 42,909 | • | Lisle | | 42,322 | • | Lombard | | 42,322 | • | Glenview | | 41,847 | • | Park Ridge | | 37,775 | • | North Chicago | | 35,918 | • | Wheeling | | 34,496 | • | East St. Louis | | 30,995 | • | Woodridge | | 30,934 | • | Alton | | 30,496 | • | St Charles | | 27,896 | • | Kankakee | | 27,491 | • | Maywood | | 26,987 | • | Niles | | 26,987 | • | Collinsville | | 25,579 | • | Elmwood Park | | 25,405 | • | Rolling Meadows | | 24,604 | • | Batavia | | 23,866 | • | Hinsdale | | 17,349 | • | Wood Dale | | 13,535 | • | Effingham | | 12,328 | • | Northlake | | 11,878 | • | Fox Lake | | 9,178 | • | Willowbrook | | 8,967 | • | Oak Brook | | 8,702 | • | Itasca | | 8,302 | • | Harwood Heights | | 8,297 | • | University Park | | 6,662 | • | Rosemont | | 4,224 | • | Chenoa Township | | 2,305 | • | Oakbrook Terrace | | 2,261 | • | Nauvoo | | 1,063 | • | Bluffs | | 748 | • | Grand Tower | | 624 | • | Alto Pass | | 342 | • | Thebes | | 208 | • | New Trier Township | | | • | Rock Island | | |
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