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Top 100 Biggest Cities in Illinois

Can you guess the top 100 biggest cities (by population) in the state of Illinois?
Includes all municipalities & census-designated places!
According to the 2020 Census
Quiz by
johnsonncn5
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Last updated: October 15, 2025
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First submittedMay 8, 2018
Times taken4,812
Average score41.0%
Rating4.75
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#
City
Population
1
Chicago
2,746,388
2
Aurora
180,542
3
Joliet
150,362
4
Naperville
149,540
5
Rockford
148,655
6
Elgin
114,797
7
Springfield
114,394
8
Peoria
113,150
9
Waukegan
89,321
10
Champaign
88,302
11
Cicero
85,268
12
Schaumburg
78,723
13
Bloomington
78,680
14
Evanston
78,110
15
Arlington Heights
77,676
16
Bolingbrook
73,922
17
Decatur
70,522
18
Palatine
67,908
19
Skokie
67,824
20
Des Plaines
60,675
21
Orland Park
58,703
22
Oak Lawn
58,362
23
Berwyn
57,250
24
Mount Prospect
56,852
25
Tinley Park
55,971
26
Oak Park
54,583
27
Wheaton
53,970
28
Normal
52,736
29
Hoffman Estates
52,530
30
Downers Grove
50,247
31
Glenview
48,705
32
Elmhurst
45,786
33
Plainfield
44,762
34
Lombard
44,476
#
City
Population
35
Buffalo Grove
43,212
36
Moline
42,985
37
Belleville
42,404
38
Bartlett
41,105
39
DeKalb
40,290
40
Crystal Lake
40,269
41
Romeoville
39,863
42
Carol Stream
39,854
43
Park Ridge
39,656
44
Streamwood
39,577
45
Quincy
39,463
46
Wheeling
39,137
47
Urbana
38,336
48
Carpentersville
37,983
49
Hanover Park
37,470
50
Rock Island
37,108
51
Calumet City
36,033
52
Addison
35,702
53
Northbrook
35,222
54
Oswego
34,585
55
Woodridge
34,158
56
Glendale Heights
33,176
57
St. Charles
33,081
58
Elk Grove Village
32,812
59
O'Fallon
32,289
60
Pekin
31,731
61
Mundelein
31,560
62
Niles
30,912
63
North Chicago
30,759
64
Gurnee
30,706
65
Highland Park
30,176
66
Galesburg
30,052
67
Algonquin
29,700
#
City
Population
68
Burbank
29,439
69
Danville
29,204
70
Lansing
29,076
71
Lake in the Hills
28,982
72
Glen Ellyn
28,846
73
Wilmette
28,170
74
Huntley
27,740
75
Granite City
27,549
76
Chicago Heights
27,480
77
Oak Forest
27,478
78
Round Lake Beach
27,252
79
New Lenox
27,214
80
McHenry
27,135
81
Vernon Hills
26,850
82
Edwardsville
26,808
83
Batavia
26,098
84
Lockport
26,094
85
Alton
25,676
86
Woodstock
25,630
87
West Chicago
25,614
88
Belvidere
25,339
89
Morton Grove
25,297
90
Melrose Park
24,796
91
Zion
24,655
92
Homer Glen
24,543
93
Elmwood Park
24,521
94
Westmont
24,429
95
Collinsville
24,366
96
Lisle
24,223
97
Rolling Meadows
24,200
98
Kankakee
24,052
99
Freeport
23,973
100
South Elgin
23,865
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4 Comments
Nightcap
+3
Level 84
May 9, 2018
Great quiz! Thanks for taking the time to do this one.
stromae
+1
Level 70
Sep 12, 2022
im surprised nothing in the hinsdale/oakbrook/la grange/darien area is here
kayokayokayo
+1
Level 59
Dec 1, 2022
How is 1-100 equal 101 answers?
kayokayokayo
+1
Level 59
Dec 1, 2022
Take Zion off the list, there's two #73's on this quiz
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