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St. Clair

County in Illinois

County

The population development of St. Clair.

NameStatusPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Census
2020-04-01
Population
Estimate
2022-07-01
 
St. ClairCounty262,852256,082270,056257,400252,671
IllinoisState11,430,60212,419,29312,830,63212,812,50812,582,032

Contents: Incorporated Places

The population development of the incorporated places in St. Clair.

The Details icon links to further information about a selected place including its population structure (gender, age groups, age distribution, urbanization, »race«, ethnicity).

Name StatusCountyPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Census
2020-04-01
Population
Estimate
2022-07-01
 
BellevilleCitySt. Clair43,12042,18344,23942,37241,295
BrooklynVillageSt. Clair1,144665743652635
Cahokia Heights (incl. Centreville, Cahokia, Alorton)CitySt. Clair28,05225,02822,59717,90217,366
CaseyvilleVillageSt. Clair5,0424,5894,2094,3944,391
CollinsvilleCityMadison / St. Clair23,00624,67325,59124,36523,972
ColumbiaCityMonroe / St. Clair6,0897,8759,69811,00910,970
DupoVillageSt. Clair / Monroe3,8494,0214,1793,9873,875
East CarondeletVillageSt. Clair630298506390379
East St. LouisCitySt. Clair40,87131,66726,93818,46617,919
Fairmont CityVillageSt. Clair / Madison2,1252,4312,6452,2612,203
Fairview HeightsCitySt. Clair14,95214,98117,06516,71216,324
FayettevilleVillageSt. Clair303383366297293
FreeburgVillageSt. Clair3,3483,9754,4014,5934,529
LebanonCitySt. Clair3,7383,5584,4524,6934,614
LenzburgVillageSt. Clair530578516467456
MadisonCityMadison / St. Clair5,3534,5393,9013,1453,092
MarissaVillageSt. Clair2,3592,1651,9781,8351,781
MascoutahCitySt. Clair5,6565,6797,6188,7538,634
MillstadtVillageSt. Clair2,6442,9214,0064,0743,981
New AthensVillageSt. Clair2,0111,9852,0621,9531,901
New BadenVillageClinton / St. Clair2,7222,9603,3533,4263,386
O'FallonCitySt. Clair16,51821,94628,76732,32532,140
SaugetVillageSt. Clair652354167138134
ShilohVillageSt. Clair6,3968,17612,59514,11514,496
SmithtonVillageSt. Clair1,6762,3743,7384,0063,946
St. LiboryVillageSt. Clair531583620630617
SummerfieldVillageSt. Clair499468431344337
SwanseaVillageSt. Clair9,25211,04813,44614,38314,112
Washington ParkVillageSt. Clair7,4285,3474,1962,5792,522

Source: U.S. Census Bureau (web).

Explanation: Latest available rebased population figures are used. In case of significant changes, they were recalculated by using census block data.