ZIP CodeStandard
63021
Ballwin, MO
ZIP Code 63021 in Ballwin, MO has a population of 56,680 and a median household income of $120,177. Explore Census demographics, housing, and a map.
Demographics
Source: U.S. Census Bureau (ACS/Decennial). Estimates vary by year.
People
Total population
56,680
People
Median age
40.7
Housing
Total households
22,131
Income
Median household income
$120,177
Housing
Total housing units
22,942
Employment
Employment rate
65.2%
Education
Bachelor’s degree or higher
63%
Healthcare
Insured population
94.6%
Nearby ZIP codes
ZIP codes near 63021.
Data Sources & Citations
The geographic and demographic information presented on this site is compiled from publicly available, authoritative sources, including:
- United States Census BureauDemographic, population, housing, and socioeconomic data sourced from Census Bureau datasets, including the Decennial Census and the American Community Survey (ACS).Census Data
- United States Postal Service (USPS)ZIP code classifications, delivery types, and postal designations used for reference purposes. USPS ZIP codes are intended for mail delivery and may not always align exactly with Census geographic boundaries.USPS