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Secretary town, MD

ZIP 21664 — 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 21664

21664 has a population of 598 with a median age of 37.1 yrs (49.5% male).

Race & Ethnicity
White
79.3%+29% vs US avg
x
Black
0.2%-99% vs US avg
x
Asian
0.0%
x
Hispanic
19.2%+3% vs US avg
x
Other / Two+
1.3%
x
Age Groups
0–17
31.6%+44% vs US avg
x
18–64
53.2%-14% vs US avg
x
65+
15.2%-7% vs US avg
x
Education
Less than HS
8.7%-22% vs US avg
x
High school
53.2%+103% vs US avg
x
Some college
21.1%-27% vs US avg
x
Bachelor's+
17.0%-49% vs US avg
x
Marital Status
Married
41.6%-14% vs US avg
x
Never married
37.6%+11% vs US avg
x
Divorced
15.5%+50% vs US avg
x
Widowed / Separated
5.3%
x
Diversity Index
33/100

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

Social & household profile

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

Poverty Rate
9.7%-16% vs US avg
x
Foreign Born
21.1%+51% vs US avg
x
Veterans
8.1%+35% vs US avg
x
Disability
17.4%+30% vs US avg
x
Single Parent
12.2%+51% vs US avg
x
Recent Births
33.3%+475% vs US avg
x
Top ancestry
AmericanGermanIrish

Health & Community Indicators in 21664

Poverty Rate
9.7%-16% vs US avg
x
Veterans
8.1%+35% vs US avg
x
Foreign Born
21.1%+51% vs US avg
x
Single Parent
12.2%+51% vs US avg
x
Disability
17.4%+30% vs US avg
x
Uninsured
9.0%+13% vs US avg
x
SNAP Benefits
21.2%+81% vs US avg
x
Private School
0.0%
x
Recent Births
33.3%+475% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population598
Median age37.1
Poverty rate9.7%
Demographics statistics
Demographics
White79.3%
Hispanic19.2%
Black0.2%
Asian0.0%
Foreign-born21.1%