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Westminster city, MD

ZIP 21157 — People & Community

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

Upper Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 21157

21157 has a population of 40,191 with a median age of 41.8 yrs (49.3% male).

Race & Ethnicity
White
87.4%+42% vs US avg
x
Black
3.8%-69% vs US avg
x
Asian
0.9%-85% vs US avg
x
Hispanic
6.2%-67% vs US avg
x
Other / Two+
1.7%
x
Age Groups
0–17
20.3%-8% vs US avg
x
18–64
61.1%-1% vs US avg
x
65+
18.6%+14% vs US avg
x
Education
Less than HS
7.4%-33% vs US avg
x
High school
28.8%+10% vs US avg
x
Some college
26.6%-8% vs US avg
x
Bachelor's+
37.2%+10% vs US avg
x
Marital Status
Married
54.6%+14% vs US avg
x
Never married
29.4%-13% vs US avg
x
Divorced
9.0%-13% vs US avg
x
Widowed / Separated
7.1%
x
Diversity Index
23/100

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

Social & household profile

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

Poverty Rate
7.5%-35% vs US avg
x
Foreign Born
28.1%+102% vs US avg
x
Veterans
6.9%+15% vs US avg
x
Disability
14.3%+7% vs US avg
x
Single Parent
6.8%-16% vs US avg
x
Recent Births
42.8%+638% vs US avg
x
Top ancestry
GermanIrishEnglish

Health & Community Indicators in 21157

Poverty Rate
7.5%-35% vs US avg
x
Veterans
6.9%+15% vs US avg
x
Foreign Born
28.1%+102% vs US avg
x
Single Parent
6.8%-16% vs US avg
x
Disability
14.3%+7% vs US avg
x
Uninsured
3.7%-54% vs US avg
x
SNAP Benefits
8.0%-32% vs US avg
x
Private School
0.4%-96% vs US avg
x
Recent Births
42.8%+638% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population40,191
Median age41.8
Poverty rate7.5%
Demographics statistics
Demographics
White87.4%
Hispanic6.2%
Black3.8%
Asian0.9%
Foreign-born28.1%