St. Charles County, MO — Population & Demographics
St. Charles County, MO has a population of 409,830. The median household income is $102,912 and the median age is 39.6.
409,830
Population
$102,912
Median Income
$296,800
Median Home Value
39.6
Median Age
Race & Ethnicity
| White | 85.0% |
| Black or African American | 5.1% |
| Asian | 0.0% |
| Hispanic or Latino (any race) | 0.9% |
| Two or More Races | 0.0% |
Economy & Income
$102,912
Median Household Income
$49,859
Per Capita Income
3.0%
Poverty Rate
2.0%
Unemployment
Housing
$296,800
Median Home Value
$1,312
Median Rent
80.7%
Homeownership
Education
95.5%
High School+
42.4%
Bachelor's+
Frequently Asked Questions
St. Charles County, MO has a population of 409,830 according to Census ACS 2023 data.
The median household income in St. Charles County, MO is $102,912.
Data from the American Community Survey (ACS) 5-Year estimates.