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