|
|
Rank
|
Name
|
County
|
Pop.
|
|
Chicago
Aurora
|
1 |
Chicago |
Cook |
2,695,598
|
Rockford
Joliet
|
2 |
Aurora |
Kane |
197,899
|
3 |
Rockford |
Winnebago |
152,871
|
4 |
Joliet |
Will |
147,433
|
5 |
Naperville |
DuPage |
141,853
|
6 |
Springfield |
Sangamon |
116,250
|
7 |
Peoria |
Peoria |
115,007
|
8 |
Elgin |
Kane |
108,188
|
9 |
Waukegan |
Lake |
91,400
|
10 |
Cicero |
Cook |
83,891
|