St. Charles County, Missouri

Total Population: 409,830

County Seat: St. Charles

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Median Home Value

$296,800

Owner-occupied units

Median Household Income

$102,912

Across all households

Median Age

39.6 yrs

Across all residents

Bachelor's Degree+

42.4%

Adults 25 and older

Nearby Counties

Demographics

14 fields

Racial & Ethnic Composition

White (Non-Hispanic)83.9%
Black (Non-Hispanic)4.9%
Hispanic or Latino4.0%
Two or More Races3.9%
Asian (Non-Hispanic)2.8%
Other Race0.3%

Under 18 Years

22.8%

65 Years and Over

16.4%

Male

49.4%

Female

50.6%

U.S. Citizens (18+)

97.8%

No Health Insurance

4.3%

Education

3 fields

High School Graduate or Higher (25+)

95.5%

Bachelor's Degree or Higher (25+)

42.4%

Enrolled in College (18+)

7.1%

Economics

6 fields

Median Household Income

$102,912

Mean Household Income

$127,112

Per Capita Income

$49,859

Unemployment Rate (16+)

2.8%

In Labor Force (19–64)

84.8%

SNAP / Food Stamps

3.1%

Housing & Households

13 fields

Median Home Value

$296,800

Median Rent

$1,312/mo

Total Housing Units

164,594

Owner-Occupied

80.7%

Renter-Occupied

19.3%

Vacancy Rate

3.6%

Married Couple Households

57.6%

Cohabiting Couple Households

6.6%

Male Householder, No Partner

14.4%

Female Householder, No Partner

21.5%

Average Household Size

2.54

Broadband Internet Access

94.4%

Housing Built Since 2010

15.9%

Source: U.S. Census Bureau, American Community Survey 2023 5-Year Estimates. County FIPS 29183.