St. Louis   County MO United States

County FIPS 29189
Largest City Florissant
State Missouri
Latitude 38.6407
Longitude -90.4434
Population 995,569
Density 1960.31 people per square mile
Time Zone America/Chicago
  • All demographic data comes from the 2024 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $82,936
Median individual: $45,233

Race

Mode: 62.1% White

Gender

 52.2% female 

Rent

  $1209 / month  

Median house value: $276,344.0

Age

Median: 40.3 years old

Education

With at least college degree: 47.4%
With STEM degree: 43.9%

Marital Status

 47.3% married 

Never married: 34.3%

Labor Force Participation

 65.0% working 

Unemployed: 4.3%

Average Family Size

 3.02 people 

Commute Time

 23.1 minutes 

Health Care

 5.7% uninsured 

Poverty

 9.8%

All data comes from the SimpleMaps US Counties Database, 2026.

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