Saint Clair County Info
All cities in Saint Clair county
All zip codes in Saint Clair county
Illinois State
USA
Most Populated Cities in Saint Clair County
By Letter
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City
Population
Growth
Age
Income per household
Belleville IL
93,712
-2%
38.95
$42,431.00
East Saint Louis IL
56,874
-2%
32.87
$22,743.50
Collinsville IL
34,060
1%
37.40
$43,865.00
O Fallon IL
33,314
5%
36.80
$55,339.00
Waterloo IL
16,905
1%
41.70
$51,431.00
Fairview Heights IL
16,857
-3%
39.30
$47,222.00
Troy IL
14,404
0%
37.20
$58,876.00
Columbia IL
13,076
3%
40.70
$62,056.00
Mascoutah IL
9,457
2%
37.20
$46,765.00
Millstadt IL
7,473
2%
42.80
$54,273.00
Caseyville IL
7,247
0%
40.20
$36,406.00
Freeburg IL
5,773
-2%
43.40
$53,173.00
Lebanon IL
5,659
-7%
36.30
$42,257.00
Scott Air Force Base IL
5,487
1%
22.70
$43,538.00
Dupo IL
5,138
3%
36.50
$41,853.00
Trenton IL
4,586
-3%
41.90
$52,052.00
Madison IL
4,388
-10%
35.80
$23,900.00
New Baden IL
4,290
-1%
38.10
$49,643.00
Smithton IL
4,005
-11%
39.80
$54,688.00
New Athens IL
3,339
0%
41.20
$41,974.00
Marissa IL
3,165
-1%
42.60
$36,838.00
East Carondelet IL
1,666
-18%
41.80
$44,777.00
Venice IL
1,115
-6%
28.90
$17,368.00
Lenzburg IL
943
-6%
44.50
$36,912.00
Cities in Numbers
All Cities in Saint Clair County
Most Populated Cities in Saint Clair County
Least Populated Cities in Saint Clair County
Growing Cities in Saint Clair County
Declining Cities in Saint Clair County
Younger Crowd Cities in Saint Clair County
Older Crowd Cities in Saint Clair County
Highest Income Cities in Saint Clair County
Lowest Income Cities in Saint Clair County
Zip Codes in Numbers
All Zip Codes in Saint Clair County
Most Populated Zip Codes in Saint Clair County
Least Populated Zip Codes in Saint Clair County
Growing Zip Codes in Saint Clair County
Declining Zip Codes in Saint Clair County
Younger Crowd Zip Codes in Saint Clair County
Older Crowd Zip Codes in Saint Clair County
Highest Income Zip Codes in Saint Clair County
Lowest Income Zip Codes in Saint Clair County