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, MD

ZIP 21155 — 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 21155

21155 has a population of 3,124 with a median age of 37.1 yrs (50.7% male).

Race & Ethnicity
White
95.0%+54% vs US avg
x
Black
1.5%-88% vs US avg
x
Asian
1.1%-82% vs US avg
x
Hispanic
1.8%-90% vs US avg
x
Other / Two+
0.5%
x
Age Groups
0–17
25.4%+15% vs US avg
x
18–64
54.5%-12% vs US avg
x
65+
20.1%+23% vs US avg
x
Education
Less than HS
1.0%-91% vs US avg
x
High school
28.2%+8% vs US avg
x
Some college
22.1%-24% vs US avg
x
Bachelor's+
48.8%+45% vs US avg
x
Marital Status
Married
55.2%+15% vs US avg
x
Never married
30.0%-11% vs US avg
x
Divorced
8.5%-18% vs US avg
x
Widowed / Separated
6.4%
x
Diversity Index
10/100

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

Social & household profile

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

Poverty Rate
5.6%-52% vs US avg
x
Foreign Born
54.5%+292% vs US avg
x
Veterans
6.3%+5% vs US avg
x
Disability
14.7%+9% vs US avg
x
Single Parent
7.1%-12% vs US avg
x
Top ancestry
GermanAmericanEnglish

Health & Community Indicators in 21155

Poverty Rate
5.6%-52% vs US avg
x
Veterans
6.3%+5% vs US avg
x
Foreign Born
54.5%+292% vs US avg
x
Single Parent
7.1%-12% vs US avg
x
Disability
14.7%+9% vs US avg
x
Uninsured
5.3%-34% vs US avg
x
SNAP Benefits
7.5%-36% vs US avg
x
Private School
1.2%-88% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population3,124
Median age37.1
Poverty rate5.6%
Demographics statistics
Demographics
White95.0%
Hispanic1.8%
Black1.5%
Asian1.1%
Foreign-born54.5%