List of Largest Cities in Illinois

Illinois is the State in the United State located in the Midwestern part of the country, is 5th populous state (12, 88,135 estimated) and the 25th largest by area in the United States (149,998 km2 at the density of 89 per km2). Springfield is the capital city and 6th largest city of Illinois State. Chicago is the largest city of Illinois and 3rd largest in the United States with a population of 2,718,782 at a density of 4,610 inhabitants per km2 on a total area of 587 km2. Cicero city has the highest density of 5,536 inhabitants per km2 on an area of 15 km2.

RankNamePopulationArea (km²)Density
(Inhabitants/km²)
County
1Chicago2,718,7825894,610Cook
2Aurora199,9631161,718Kane
3Rockford150,251164915Winnbago
4Joliet147,806162910Will
5Naperville144,8641001,447DuPage
6Springfield117,006154757Sangamon
7Peoria116,513124937Peoria
8Elgin110,145961,140Kane
9Waukegan88,826611,448Lake
10Cicero84,103155,536Cook
11Champaign83,424581,426Champaign
12Bloomington78,902701,117McLean
13Arlington Heights75,994421,768Cook
14Evanston75,570203,750Cook
15Schaumburg74,907491,506Cook
16Decatur74,710109683Macon
17Bolingbrook73,936621,184Will
18Palatine69,350351,966Cook
19Skokie65,176262,500Cook
20Des Plaines58,918361,592Cook
21Orland Park58,590561,032Cook
22Tinley Park57,282411,380Cook
23Oak Lawn57,073222,570Cook
24Berwyn56,758105,614Cook
25Mount Prospect54,771262,043Cook

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