Letter
|
Population
|
Illinois City
|
A
|
200,965
|
Aurora
|
B
|
77,934
|
Bloomington
|
C
|
2,716,450
|
Chicago
|
D
|
72,174
|
Decatur
|
E
|
112,456
|
Elgin
|
F
|
24,091
|
Freeport
|
G
|
47,659
|
Glenview
|
H
|
51,567
|
Hoffman Estates
|
I
|
9,416
|
Itasca
|
J
|
148,462
|
Joliet
|
K
|
26,216
|
Kankakee
|
L
|
43,745
|
Lombard
|
M
|
53,930
|
Mount Prospect
|
N
|
147,682
|
Naperville
|
O
|
58,765
|
Orland Park
|
P
|
112,883
|
Peoria
|
Q
|
40,303
|
Quincy
|
R
|
147,051
|
Rockford
|
S
|
114,868
|
Springfield
|
T
|
56,668
|
Tinley Park
|
U
|
41,989
|
Urbana
|
V
|
26,253
|
Vernon Hills
|
W
|
87,729
|
Waukegan
|
X
|
375
|
Xenia
|
Y
|
19,388
|
Yorkville
|
Z
|
23,952
|
Zion
|
|