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Jarrettsville CDP, MD

ZIP 21084 — People & Community

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

Upper Middle ClassLow Snow Area

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 21084

21084 has a population of 7,488 with a median age of 46.3 yrs (52.4% male).

Race & Ethnicity
White
92.3%+50% vs US avg
x
Black
0.8%-93% vs US avg
x
Asian
3.1%-47% vs US avg
x
Hispanic
0.9%-95% vs US avg
x
Other / Two+
2.8%
x
Age Groups
0–17
23.1%+5% vs US avg
x
18–64
51.6%-16% vs US avg
x
65+
25.3%+55% vs US avg
x
Education
Less than HS
3.1%-72% vs US avg
x
High school
25.4%-3% vs US avg
x
Some college
28.1%-3% vs US avg
x
Bachelor's+
43.4%+29% vs US avg
x
Marital Status
Married
67.9%+41% vs US avg
x
Never married
18.2%-46% vs US avg
x
Divorced
7.7%-26% vs US avg
x
Widowed / Separated
6.2%
x
Diversity Index
15/100

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

Social & household profile

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

Poverty Rate
4.7%-59% vs US avg
x
Foreign Born
11.9%-14% vs US avg
x
Veterans
6.4%+6% vs US avg
x
Disability
11.7%-13% vs US avg
x
Single Parent
2.6%-68% vs US avg
x
Recent Births
69.3%+1094% vs US avg
x
Top ancestry
GermanIrishPolish

Health & Community Indicators in 21084

Poverty Rate
4.7%-59% vs US avg
x
Veterans
6.4%+6% vs US avg
x
Foreign Born
11.9%-14% vs US avg
x
Single Parent
2.6%-68% vs US avg
x
Disability
11.7%-13% vs US avg
x
Uninsured
2.6%-67% vs US avg
x
SNAP Benefits
5.6%-52% vs US avg
x
Private School
0.2%-98% vs US avg
x
Recent Births
69.3%+1094% vs US avg
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population7,488
Median age46.3
Poverty rate4.7%
Demographics statistics
Demographics
White92.3%
Hispanic0.9%
Black0.8%
Asian3.1%
Foreign-born11.9%