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Mardela Springs town, MD

ZIP 21837 — People & Community

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

Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 21837

21837 has a population of 2,975 with a median age of 39.7 yrs (46.0% male).

Race & Ethnicity
White
65.8%+7% vs US avg
x
Black
26.1%+111% vs US avg
x
Asian
0.9%-85% vs US avg
x
Hispanic
6.2%-67% vs US avg
x
Other / Two+
1.1%
x
Age Groups
0–17
21.0%-4% vs US avg
x
18–64
60.4%-2% vs US avg
x
65+
18.6%+14% vs US avg
x
Education
Less than HS
9.7%-13% vs US avg
x
High school
46.8%+79% vs US avg
x
Some college
24.6%-15% vs US avg
x
Bachelor's+
19.0%-44% vs US avg
x
Marital Status
Married
46.9%-2% vs US avg
x
Never married
33.8%+0% vs US avg
x
Divorced
9.9%-4% vs US avg
x
Widowed / Separated
9.3%
x
Diversity Index
50/100

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

Social & household profile

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

Poverty Rate
4.9%-58% vs US avg
x
Foreign Born
7.3%-48% vs US avg
x
Veterans
7.3%+22% vs US avg
x
Disability
20.4%+52% vs US avg
x
Single Parent
1.7%-79% vs US avg
x
Recent Births
30.8%+430% vs US avg
x
Top ancestry
IrishEnglishGerman

Health & Community Indicators in 21837

Poverty Rate
4.9%-58% vs US avg
x
Veterans
7.3%+22% vs US avg
x
Foreign Born
7.3%-48% vs US avg
x
Single Parent
1.7%-79% vs US avg
x
Disability
20.4%+52% vs US avg
x
Uninsured
7.9%-1% vs US avg
x
SNAP Benefits
15.5%+33% vs US avg
x
Private School
0.0%
x
Recent Births
30.8%+430% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population2,975
Median age39.7
Poverty rate4.9%
Demographics statistics
Demographics
White65.8%
Hispanic6.2%
Black26.1%
Asian0.9%
Foreign-born7.3%