St. Charles County, Missouri

MO · FIPS 29183 · ACS 2024 5-Year Estimates

Key Statistics

Total Population
414,535
Rank #178 of 3,222
95th %ile
Median Household Income
$104,692 +39.3% vs nat'l
Rank #125 of 3,222
96th %ile
Poverty Rate
5.2% −58.7% vs nat'l
Rank #60 of 3,222
98th %ile
Median Home Value
$320,800 +13.8% vs nat'l
Rank #532 of 3,222
83th %ile
Bachelor's Degree or Higher
42.7% +26.8% vs nat'l
Rank #205 of 3,222
94th %ile
Unemployment Rate
2.9% −44.8% vs nat'l
Rank #635 of 3,222
80th %ile

At a Glance

80.5% Homeownership
95.8% Insured
42.7% Bachelor's+

Age & Sex Distribution

MaleFemale
0-910-1920-2930-3940-4950-5960-6970-7980+10%5%0%5%10%

Race & Ethnicity

White (non-Hispanic)Black (non-Hispanic)Two or More RacesHispanic or LatinoAsian (non-Hispanic)Other (non-Hispanic)Native Hawaiian/Pacific IslanderAmerican Indian (non-Hispanic)0.0%24.1%48.2%72.4%83.0%5.0%4.3%4.2%3.0%0.4%0.0%0.0%

About St. Charles County, Missouri

St. Charles County, Missouri has a total population of 414,535, making it the 178th most populous county in the United States. The median age in St. Charles County is 39.8 years, which is 2.3% above the national median of 38.9 years.

The median household income in St. Charles County is $104,692, which ranks #125 of 3,222 counties nationwide. This is 39.3% above the national median of $75,149. The poverty rate is 5.2%, lower than the national rate of 12.6%. The unemployment rate stands at 2.9%.

The median home value in St. Charles County is $320,800, 13.8% above the national median. Renters in St. Charles County pay a median gross rent of $1,370 per month. The homeownership rate is 80.5%, compared to the national rate of 64.4%.

In St. Charles County, 42.7% of residents aged 25 and older hold a bachelor's degree or higher, 26.8% above the national average of 33.7%. Health insurance coverage stands at 95.8% of the population. The average commute time for workers is 26.8 min.

St. Charles County is a diverse community. The largest racial or ethnic group is White (non-Hispanic) at 83.0% of the population, followed by Black (non-Hispanic) (5.0%) and Two or More Races (4.3%).

All data for St. Charles County, Missouri comes from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates. These figures are estimates based on survey sampling and are subject to margin of error. For the most detailed and up-to-date data, visit the Census Bureau's official data portal.

About this data

Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2024). All values are estimates derived from survey samples and are subject to margin of error. For more information, see our methodology.