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Ballwin city, MO

ZIP 63021 — People & Community

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Upper Middle ClassLarge CommunityLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 63021

63021 has a population of 56,297 with a median age of 40.4 yrs (49.2% male).

Race & Ethnicity
White
77.5%+26% vs US avg
x
Black
2.5%-80% vs US avg
x
Asian
9.9%+68% vs US avg
x
Hispanic
5.2%-72% vs US avg
x
Other / Two+
4.9%
x
Age Groups
0–17
22.6%+3% vs US avg
x
18–64
60.3%-2% vs US avg
x
65+
17.1%+5% vs US avg
x
Education
Less than HS
2.4%-79% vs US avg
x
High school
13.7%-48% vs US avg
x
Some college
21.8%-25% vs US avg
x
Bachelor's+
62.1%+84% vs US avg
x
Marital Status
Married
60.8%+26% vs US avg
x
Never married
26.4%-22% vs US avg
x
Divorced
8.9%-14% vs US avg
x
Widowed / Separated
3.9%
x
Diversity Index
38/100

Higher = more diverse (Simpson index from race/ethnicity)

Social & household profile

Poverty, nativity, veterans, disability, family structure, and births (ACS).

Poverty Rate
5.1%-56% vs US avg
x
Foreign Born
25.9%+87% vs US avg
x
Veterans
4.9%-18% vs US avg
x
Disability
8.8%-35% vs US avg
x
Single Parent
5.1%-37% vs US avg
x
Recent Births
50.4%+769% vs US avg
x
Top ancestry
GermanIrishEnglish

Health & Community Indicators in 63021

Poverty Rate
5.1%-56% vs US avg
x
Veterans
4.9%-18% vs US avg
x
Foreign Born
25.9%+87% vs US avg
x
Single Parent
5.1%-37% vs US avg
x
Disability
8.8%-35% vs US avg
x
Uninsured
5.2%-36% vs US avg
x
SNAP Benefits
1.8%-85% vs US avg
x
Private School
0.6%-94% vs US avg
x
Recent Births
50.4%+769% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population56,297
Median age40.4
Poverty rate5.1%
Demographics statistics
Demographics
White77.5%
Hispanic5.2%
Black2.5%
Asian9.9%
Foreign-born25.9%