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County

NameStatusPopulation
census
2000-04-01
Population
census
2010-04-01
Population
estimate
2013-07-01
 
MissouriFederal State5,596,5645,988,9236,044,171
St. CharlesCounty283,939360,485373,495

Contents: Incorporated Places

Name StatusCountyPopulation
census
2000-04-01
Population
census
2010-04-01
Population
estimate
2013-07-01
 
AugustaTownSt. Charles239253249
CottlevilleCitySt. Charles2,0253,0653,672
Dardenne PrairieCitySt. Charles4,18711,50112,324
Flint HillCitySt. Charles404499505
ForistellCitySt. Charles / Warren337505509
JosephvilleVillageSt. Charles301376379
Lake St. LouisCitySt. Charles10,11814,55814,831
New MelleCitySt. Charles251481484
O'FallonCitySt. Charles49,26479,58882,809
Portage Des SiouxCitySt. Charles354328330
St. CharlesCitySt. Charles59,91065,84667,569
St. PaulCitySt. Charles1,6961,8021,817
St. PetersCitySt. Charles50,66652,62754,842
Weldon SpringCitySt. Charles5,2935,4455,516
Weldon Spring HeightsTownSt. Charles769192
WentzvilleCitySt. Charles7,08829,34732,509
West AltonCitySt. Charles573522526

Source: US Census Bureau (web).
2000 population of places in the boundaries of 2010. Later population figures refer to the boundaries of 2013.