GIS Map
RankingsIllinoisLargest by population

Largest Cities in Illinois by Population

The top 25 of 70 Illinois cities on GIS Map, ranked by total population.

#CityPopulation
1Chicago
2,711,226
2Aurora
179,898
3Naperville
150,692
4Joliet
150,445
5Rockford
147,521
6Elgin
114,934
7Springfield
113,330
8Peoria
112,169
9Champaign
89,996
10Champaign-Urbana
89,996
11Waukegan
89,076
12Cicero
82,797
13Bloomington
78,907
14Schaumburg
76,868
15Evanston
76,340
16Arlington Heights
76,005
17Bolingbrook
74,096
18Decatur
69,815
19Palatine
66,293
20Skokie
66,219
21Des Plaines
59,156
22Orland Park
57,916
23Oak Lawn
56,861
24Berwyn
55,595
25Mount Prospect
55,472

Top Illinois Counties

Counties ranked by total population.

1. Cook County5,182,0902. DuPage County930,0243. Lake County714,2234. Will County701,4625. Kane County517,2556. McHenry County312,5917. Winnebago County283,2928. Madison County264,2389. St. Clair County253,69410. Champaign County208,741

Source: U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates. Only cities covered by GIS Map with at least 1,000 residents are ranked. Estimates carry margins of error.

Citing this page: GIS Map, “Largest Cities in Illinois by Population”, https://gismap.land/rankings/illinois/largest-cities. Figures from U.S. Census Bureau, American Community Survey 2020-2024 5-year estimates.

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