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O'Fallon

in St. Charles (Missouri)

Contents: City

The population development of O'Fallon as well as related information and services (weather, Wikipedia, Google, images).

Name CountyPopulation
Census
1990-04-01
Population
Census
2000-04-01
Population
Census
2010-04-01
Population
Census
2020-04-01
Population
Estimate
2021-07-01
 
O'FallonSt. Charles21,55849,26479,59991,39093,644

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.


Further information about the population structure:

Gender (C 2010)
Males38,742
Females40,587
Age Groups (C 2010)
0-17 years23,794
18-64 years48,465
65+ years7,070
Age Distribution (C 2010)
0-9 years13,476
10-19 years12,133
20-29 years8,939
30-39 years12,821
40-49 years12,951
50-59 years8,971
60-69 years5,212
70-79 years3,058
80+ years1,768
»Race« (C 2020)
White75,133
Black/African American4,620
Indigenous205
Asian3,704
Pacific Islander88
Some other1,334
2 or more6,232
Ethnicity (C 2020)
Hispanic or Latino3,639
Other87,677

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