St. Charles

County in Missouri

County

The population development of St. Charles.

Name	Status	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01
St. Charles	County	212,907	283,883	360,485	405,266	→
Missouri	State	5,117,073	5,595,211	5,988,927	6,154,913

Contents: Places

The population development of the places in St. Charles.

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

Name	Status	County	Population Census 1990-04-01	Population Census 2000-04-01	Population Census 2010-04-01	Population Census 2020-04-01
Augusta	Town	St. Charles	263	239	267	269	→
Cottleville	City	St. Charles	4,060	2,964	3,054	5,618	→
Dardenne Prairie	City	St. Charles	2,037	4,373	11,633	12,765	→
Defiance	Census-Designated Place	St. Charles	153	157	155	159	→
Flint Hill	City	St. Charles	229	381	528	497	→
Foristell	City	Warren / St. Charles	352	337	538	542	→
Josephville	Village	St. Charles	412	476	421	471	→
Lake St. Louis	City	St. Charles	7,819	10,118	14,559	16,723	→
New Melle	City	St. Charles	508	237	493	553	→
O'Fallon	City	St. Charles	21,558	49,264	79,599	91,388	→
Portage Des Sioux	City	St. Charles	514	354	331	330	→
St. Charles	City	St. Charles	57,711	61,835	66,207	70,636	→
St. Paul	City	St. Charles	1,227	1,696	1,932	3,004	→
St. Peters	City	St. Charles	50,897	53,118	52,595	57,733	→
Weldon Spring	City	St. Charles	1,575	5,790	5,413	5,330	→
Weldon Spring Heights	Town	St. Charles	97	76	91	94	→
Wentzville	City	St. Charles	6,089	7,569	29,453	44,943	→
West Alton	City	St. Charles	1,078	573	522	357	→

Source: U.S. Census Bureau.

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 2020)
Males	198,115
Females	207,147

Age Groups (C 2020)
0-17 years	94,645
18-64 years	245,566
65+ years	65,051

Age Distribution (C 2020)
80+ years	14,529
70-79 years	28,845
60-69 years	48,802
50-59 years	54,649
40-49 years	51,717
30-39 years	55,396
20-29 years	46,170
10-19 years	55,611
0-9 years	49,543

Urbanization (C 2020)
Rural	22,932
Urban	382,330

»Race« (C 2020)
White	339,665
Black/African American	20,894
Indigenous	910
Asian	11,147
Pacific Islander	230
Some other	6,180
2 or more	26,236

Ethnicity (C 2020)
Hispanic or Latino	16,011
Other	389,251