63366   Zip Code O'Fallon St. Charles MO United States

City O'Fallon
County St. Charles
State Missouri
Latitude 38.85918
Longitude -90.71964
Population 54,449
Density 786.01 people per square mile
Time Zone America/Chicago
  • All demographic data comes from the 2023 American Community Survey (5-year study).
  • Learn more about each field.
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Household Income

Median household: $98,237
Median individual: $47,399

Race

Mode: 82.5% White

Gender

 50.2% male 

Rent

  $1274 / month  

Median house value: $283,124.0

Age

Median: 39.2 years old

Education

With at least college degree: 34.3%
With STEM degree: 39.1%

Marital Status

 56.6% married 

Never married: 26.1%

Labor Force Participation

 70.2% working 

Unemployed: 3.3%

Average Family Size

 3.14 people 

Commute Time

 24.7 minutes 

Health Care

 5.6% uninsured 

Poverty

 5.9%

All data comes from the SimpleMaps US Zips Comprehensive Database, January 2025.

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