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St. Clair

County in Illinois

County

The population development of St. Clair.

NameStatusPopulation
Census
2000-04-01
Population
Census
2010-04-01
Population
Estimate
2018-07-01
 
St. ClairCounty256,043270,063261,059
IllinoisState12,419,92712,831,57412,741,080

Contents: Incorporated Places

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

Name StatusCountyPopulation
Census
2000-04-01
Population
Census
2010-04-01
Population
Estimate
2018-07-01
 
AlortonVillageSt. Clair2,6642,0341,928
BellevilleCitySt. Clair42,18344,29641,290
BrooklynVillageSt. Clair665749705
CahokiaVillageSt. Clair16,37415,23814,009
CaseyvilleVillageSt. Clair4,3334,2114,107
CentrevilleCitySt. Clair5,9905,3274,965
CollinsvilleCitySt. Clair / Madison24,67325,66524,621
ColumbiaCitySt. Clair / Monroe7,8759,68510,401
DupoVillageSt. Clair3,8434,1303,844
East CarondeletVillageSt. Clair298504471
East St. LouisCitySt. Clair31,66726,93326,346
Fairmont CityVillageSt. Clair / Madison2,4312,6292,471
Fairview HeightsCitySt. Clair14,98117,07816,448
FayettevilleVillageSt. Clair383366338
FreeburgVillageSt. Clair3,9754,3934,257
HeckerVillageSt. Clair / Monroe470486473
LebanonCitySt. Clair3,5584,4554,274
LenzburgVillageSt. Clair578518490
MadisonCitySt. Clair / Madison4,5393,8933,794
MarissaVillageSt. Clair2,1651,9781,825
MascoutahCitySt. Clair5,6797,5098,029
MillstadtVillageSt. Clair2,9214,0113,885
New AthensVillageSt. Clair1,9852,0581,904
New BadenVillageSt. Clair / Clinton2,9603,3503,264
O'FallonCitySt. Clair21,94628,75029,584
SaugetVillageSt. Clair198181166
ShilohVillageSt. Clair8,62512,54113,109
SmithtonVillageSt. Clair2,3743,7433,826
St. LiboryVillageSt. Clair583611606
SummerfieldVillageSt. Clair483431398
SwanseaVillageSt. Clair11,04813,44513,449
Washington ParkVillageSt. Clair5,9324,1963,906

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

Explanation: Places: 2000 population in the boundaries of 2010 and later population figures in the boundaries of 2018.