#
|
Population
|
City
|
1
|
144,213
|
Rockford
|
2
|
113,010
|
Springfield
|
3
|
108,353
|
Peoria
|
4
|
90,739
|
Champaign
|
5
|
76,382
|
Bloomington
|
6
|
69,966
|
Decatur
|
7
|
54,149
|
Normal
|
8
|
41,684
|
Urbana
|
9
|
40,936
|
Moline
|
10
|
40,009
|
Belleville
|
11
|
39,751
|
Quincy
|
12
|
36,660
|
Rock Island
|
13
|
31,633
|
Pekin
|
14
|
29,855
|
Galesburg
|
15
|
29,657
|
Danville
|
16
|
29,635
|
O'Fallon
|
17
|
27,618
|
Granite City
|
18
|
25,731
|
Edwardsville
|
19
|
25,690
|
Alton
|
20
|
25,377
|
East St Louis
|
|
#
|
Population
|
City
|
21
|
25,117
|
Belvidere
|
22
|
24,633
|
Carbondale
|
23
|
24,039
|
Collinsville
|
24
|
23,453
|
Loves Park
|
25
|
23,433
|
Freeport
|
26
|
22,669
|
Machesney Park
|
27
|
22,384
|
East Peoria
|
28
|
20,393
|
East Moline
|
29
|
19,967
|
Charleston
|
30
|
18,267
|
Jacksonville
|
31
|
17,467
|
Mattoon
|
32
|
17,356
|
Marion
|
33
|
17,087
|
Macomb
|
34
|
16,408
|
Washington
|
35
|
15,933
|
Fairview Heights
|
36
|
14,927
|
Dixon
|
37
|
14,667
|
Mount Vernon
|
38
|
14,496
|
Shiloh
|
39
|
14,239
|
Sterling
|
40
|
13,536
|
Cahokia
|
|