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Oldtown CDP, MD

ZIP 21555 — People & Community

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

Low Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 21555

21555 has a population of 1,577 with a median age of 41.7 yrs (46.7% male).

Race & Ethnicity
White
98.6%+60% vs US avg
x
Black
0.8%-94% vs US avg
x
Asian
0.0%
x
Hispanic
0.0%
x
Other / Two+
0.6%
x
Age Groups
0–17
25.2%+15% vs US avg
x
18–64
56.3%-9% vs US avg
x
65+
18.5%+14% vs US avg
x
Education
Less than HS
9.9%-10% vs US avg
x
High school
57.6%+120% vs US avg
x
Some college
24.2%-16% vs US avg
x
Bachelor's+
8.2%-76% vs US avg
x
Marital Status
Married
73.7%+53% vs US avg
x
Never married
11.9%-65% vs US avg
x
Divorced
9.3%-9% vs US avg
x
Widowed / Separated
5.0%
x
Diversity Index
3/100

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

Social & household profile

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

Poverty Rate
26.1%+127% vs US avg
x
Foreign Born
0.0%
x
Veterans
10.2%+70% vs US avg
x
Disability
21.2%+59% vs US avg
x
Single Parent
6.3%-23% vs US avg
x
Recent Births
0.0%
x
Top ancestry
GermanEnglishAmerican

Health & Community Indicators in 21555

Poverty Rate
26.1%+127% vs US avg
x
Veterans
10.2%+70% vs US avg
x
Foreign Born
0.0%
x
Single Parent
6.3%-23% vs US avg
x
Disability
21.2%+59% vs US avg
x
Uninsured
4.5%-44% vs US avg
x
SNAP Benefits
23.9%+104% vs US avg
x
Private School
0.0%
x
Recent Births
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population1,577
Median age41.7
Poverty rate26.1%
Demographics statistics
Demographics
White98.6%
Hispanic0.0%
Black0.8%
Asian0.0%
Foreign-born0.0%