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Flintstone CDP, MD

ZIP 21530 — People & Community

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

Middle ClassLow Snow AreaRemote Work Hub

Demographics, education attainment, health access, and community lifestyle

Population & Demographics in 21530

21530 has a population of 1,481 with a median age of 54.2 yrs (52.7% male).

Race & Ethnicity
White
98.5%+60% vs US avg
x
Black
0.7%-94% vs US avg
x
Asian
0.0%
x
Hispanic
1.3%-93% vs US avg
x
Age Groups
0–17
18.8%-14% vs US avg
x
18–64
55.0%-11% vs US avg
x
65+
26.1%+60% vs US avg
x
Education
Less than HS
12.6%+14% vs US avg
x
High school
38.2%+46% vs US avg
x
Some college
26.8%-7% vs US avg
x
Bachelor's+
22.4%-33% vs US avg
x
Marital Status
Married
62.0%+29% vs US avg
x
Never married
18.5%-45% vs US avg
x
Divorced
10.8%+5% vs US avg
x
Widowed / Separated
8.6%
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
6.5%-43% vs US avg
x
Foreign Born
0.0%
x
Veterans
6.2%+3% vs US avg
x
Disability
20.0%+50% vs US avg
x
Single Parent
10.5%+30% vs US avg
x
Top ancestry
GermanAmericanSwiss

Health & Community Indicators in 21530

Poverty Rate
6.5%-43% vs US avg
x
Veterans
6.2%+3% vs US avg
x
Foreign Born
0.0%
x
Single Parent
10.5%+30% vs US avg
x
Disability
20.0%+50% vs US avg
x
Uninsured
12.0%+50% vs US avg
x
SNAP Benefits
14.4%+23% vs US avg
x
Private School
0.0%
x
Smartphone Only
0.0%
x

People & Community key statistics

Population statistics
Population
Population1,481
Median age54.2
Poverty rate6.5%
Demographics statistics
Demographics
White98.5%
Hispanic1.3%
Black0.7%
Asian0.0%
Foreign-born0.0%