Postal Codes

21531 ZIP Code

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ZIP code 21531 covers Friendsville, Maryland, with a population of about 2,346 and a median household income of $53,750.

Population
2,34638 per square mile
Median age
48.810.1 points above the US average
Median household income
$53,75047% below the Maryland median
Poverty rate
16%3.6 points above the US average
Typical home value
$225,574up 12.7% in five years
Median rent
$67260% below the Maryland median
Degree or higher
14.8%20.2 points below the US average
Homeownership
84.9%19.9 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
53

Where 21531 is

Friendsville, Maryland — the area the Census Bureau draws for this ZIP code. ZIP codes are sets of delivery routes rather than areas, so this is the Census approximation of one, not a Postal Service boundary.

People and households

American Community Survey 2019–2023 five-year estimates

Population2,346
Median age48.8
Family households57.4%
Born outside the US0.1%
Speaks a language other than English at home0%
White (non-Hispanic)95.3%
Black (non-Hispanic)0.4%
Asian (non-Hispanic)0%
Hispanic or Latino0.9%
Veterans10.5%
Population by age
MaleFemale0-45-910-1415-1920-2425-3435-4445-5455-6465-7475-8485+
Income and poverty

American Community Survey 2019–2023 five-year estimates

Median household income$53,750
Income per person$32,982
Poverty rate16%
Households on SNAP or cash assistance18.5%

Household income distribution

Under $10k3.7%
$10–15k7.6%
$15–20k2.7%
$20–25k10.4%
$25–30k2.3%
$30–35k12.3%
$35–40k1.3%
$40–45k2.9%
$45–50k5.4%
$50–60k4.4%
$60–75k8.9%
$75–100k15.9%
$100–125k6.8%
$125–150k6.4%
$150–200k6.0%
$200k or more3.0%

Income as declared to the IRS

Filed returns rather than survey responses, so this counts tax units and not households.

Tax returns filed1,020
Mean adjusted gross income$62,991
Returns declaring $200,000 or more2.9%
Returns, under $25k29.4%
Returns, $25k–$50k25.5%
Returns, $50k–$75k16.7%
Returns, $75k–$100k11.8%
Returns, $100k–$200k13.7%
Returns, $200k or more2.9%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$169,500
Median gross rent$672
Rent as a share of household income24.9%
Owner-occupied84.9%
Vacant homes20.7%
Median year built1981

What the homes are

Detached house81.7%
Attached house0.4%
2 to 4 units0.5%
5 to 19 units0.7%
20 or more units1.9%
Mobile home14.8%
Home values and rents today

Zillow Home Value Index and Zillow Observed Rent Index, courtesy of Zillow. Monthly and current, where the Census figures above are a five-year average and are capped at $2,000,000.

Typical home value$225,574as of 2026-07
Typical home value, 1 yeardown 0.8%
Typical home value, 5 yearsup 12.7%
Typical home value, 10 yearsup 64.3%
Typical home value since 2000
200020132026$227,322$71,548

$71,548 in 2000 to $225,574 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate6%
Bachelor's degree or higher14.8%
High school diploma or higher89.3%
Works from home8.1%
Drives to work alone73.8%
Takes public transport0%
Commutes 45 minutes or more26.3%
Health

CDC PLACES 2025 release, model-based estimates. These are modelled small-area estimates for adults, not counts of diagnosed cases.

Obesity37.7% 4.3 pts above the national average of 33.4%
Diagnosed diabetes14.2% 2.2 pts above the national average of 12%
Currently smokes15.8% 2.6 pts above the national average of 13.2%
High blood pressure42% 7.9 pts above the national average of 34.1%
Fair or poor general health22.1% 1.8 pts above the national average of 20.3%
No health insurance (18–64)8.5% 2.8 pts below the national average of 11.3%
Depression21.7% same as the national average of 21.9%
No leisure-time physical activity28.1% 2.7 pts above the national average of 25.4%
Arthritis34.1% 9 pts above the national average of 25.1%
Binge drinking14.5% 1.5 pts below the national average of 16%
Taking blood pressure medication78.4% 3.7 pts above the national average of 74.7%
Cancer (non-skin)10.4% 2.7 pts above the national average of 7.7%
Current asthma11.4% 1 pts above the national average of 10.4%
Coronary heart disease8.3% 2.1 pts above the national average of 6.2%
Routine check-up in past year79.1% 2.4 pts above the national average of 76.7%
Cholesterol screening87.9% 2 pts above the national average of 85.9%
Cognitive disability14.7% same as the national average of 14.8%
Colorectal screening70.7% 6.4 pts above the national average of 64.3%
COPD9.6% 3 pts above the national average of 6.6%
Visited a dentist63.4% 2.1 pts above the national average of 61.3%
Any disability32.5% 1.8 pts above the national average of 30.7%
Lacks emotional support22.1% 2.7 pts below the national average of 24.8%
Food insecurity14% 3.1 pts below the national average of 17.1%
Received food stamps12.7% 1.6 pts below the national average of 14.3%
Hearing disability8.7% 2 pts above the national average of 6.7%
High cholesterol42.9% 6.7 pts above the national average of 36.2%
Housing insecurity11.3% 2.5 pts below the national average of 13.8%
Independent living disability8.8% same as the national average of 8.4%
Lacks transport7.3% 1.9 pts below the national average of 9.2%
Loneliness31.8% 2.6 pts below the national average of 34.4%
Mammography use77.3% 1.4 pts above the national average of 75.9%
Poor mental health (14+ days)17.4% 0.6 pts above the national average of 16.8%
Mobility disability16% 2 pts above the national average of 14%
Poor physical health (14+ days)15.6% 2.1 pts above the national average of 13.5%
Self-care disability4.2% same as the national average of 4%
Utility shut-off threat7.4% 1.4 pts below the national average of 8.8%
Sleeps under 7 hours36.5% same as the national average of 36.4%
Stroke4.2% 0.8 pts above the national average of 3.4%
All natural teeth lost13.9% 0.9 pts above the national average of 13%
Vision disability5.1% 0.5 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments53
People employed277
Annual payroll$7,403,000
Natural hazard risk

FEMA National Risk Index, estimated for this ZIP code from census tract data — the NRI is not published per ZIP.

Overall riskHigher than 35.9% of US census tracts
FEMA ratingRelatively Low
Expected annual loss30.2 out of 100
Community resilience43.6 out of 100

By hazard

Score is out of 100 and is the area-weighted average across the census tracts this ZIP code covers. The rating beside it is the highest any one of those tracts carries.

Landslide95.4Relatively Low at its worst in this ZIP code
Winter weather89.2Relatively High at its worst in this ZIP code
Drought87.7Relatively Low at its worst in this ZIP code
Hail80.7Relatively Moderate at its worst in this ZIP code
Wildfire80.1Relatively Low at its worst in this ZIP code
Strong wind78.8Relatively Moderate at its worst in this ZIP code
Lightning72.7Relatively Moderate at its worst in this ZIP code
Hurricane72.5Relatively Low at its worst in this ZIP code
River flooding59.6Relatively Moderate at its worst in this ZIP code
Cold wave59Relatively Moderate at its worst in this ZIP code
Avalanche46.3Very Low at its worst in this ZIP code
Tornado44.5Relatively Low at its worst in this ZIP code
Ice storm30.2Very Low at its worst in this ZIP code
Earthquake29.3Very Low at its worst in this ZIP code
Heat wave2.1Very Low at its worst in this ZIP code
Compared with Maryland and the United States

State and national columns are figures for those areas, not for this ZIP code. American Community Survey 2019–2023 five-year estimates

This ZIPMarylandUnited States
Median household income$53,750$101,652$78,538
Income per person$32,982$51,689$43,289
Poverty rate16%9.3%12.4%
Median home value$169,500$397,700$303,400
Median gross rent$672$1,662$1,348
Homeownership84.9%67.5%65%
Bachelor's degree or higher14.8%42.7%35%
Unemployment rate6%4.9%5.2%
Works from home8.1%17.2%13.5%
Born outside the US0.1%16.3%13.9%
Median age48.839.338.7
Climate

NOAA US Climate Normals 1991-2020, from the nearest weather station with a full year of records. The station and its distance are named above, because a station forty kilometres away describes somewhere else.

Weather stationCONFLUENCE 1 SW DAM, PA US15.5 km away
Rain in a year47 in
Snow in a year61 in

Average high and low by month

January36.9°F / 18.8°F3.61 in rain, 18.3 in snow
February40.5°F / 20.1°F3.41 in rain, 16.9 in snow
March49.5°F / 26.6°F3.9 in rain, 10.3 in snow
April62.7°F / 36.4°F4.04 in rain, 0.9 in snow
May72.1°F / 47°F4.92 in rain
June79.8°F / 55.7°F4.86 in rain
July83.5°F / 59.7°F4.54 in rain
August82.2°F / 58.6°F4.02 in rain
September76.1°F / 51.7°F3.97 in rain
October64.4°F / 40.1°F3.35 in rain, 0.2 in snow
November51.8°F / 30.1°F3.07 in rain, 3.7 in snow
December41.2°F / 24.4°F3.52 in rain, 10.9 in snow
Access to food

USDA Food Access Research Atlas, estimated for this ZIP code from census tract data. Each figure is the share of the ZIP code's land area that falls in a tract carrying that flag.

Low income and far from a supermarketNone of this ZIP code
Far from a supermarketNone of this ZIP code
No vehicle and far from a supermarket100% of this ZIP code's area
School districts

NCES Geographic Relationship File 2025, which states the association between each district and each ZIP code tabulation area directly. Elementary and secondary districts can cover the same ground, so shares need not total 100%.

Garrett County Public Schools100% of this ZIP code's land area
Community and walkability

CDC/ATSDR Social Vulnerability Index 2022 and the EPA National Walkability Index, both estimated for this ZIP code from census tract data. Vulnerability figures are national percentile ranks, not measurements.

Overall social vulnerability37more vulnerable than 37% of US census tracts
Socioeconomic status28more vulnerable than 28% of US census tracts
Household characteristics53more vulnerable than 53% of US census tracts
Racial and ethnic minority status2more vulnerable than 2% of US census tracts
Housing type and transport63more vulnerable than 63% of US census tracts
Walkability6.2 out of 20Below average
Nearby ZIP codes

The closest ZIP codes by centre point, which is not the same as sharing a border.

21520 Accident, MD10.3 km away
15459 Markleysburg, PA10.9 km away
15411 Addison, PA11.1 km away
21541 Mc Henry, MD11.7 km away
15440 Gibbon Glade, PA15.1 km away
26525 Bruceton Mills, WV16.8 km away
15424 Confluence, PA17.2 km away
21522 Bittinger, MD18.4 km away
Location, counties and time zone

County shares from Census 2020 ZCTA relationship files. Time zone from the USDOT National Transportation Atlas, which renders the boundaries written into 49 CFR Part 71.

Garrett County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area61.16 sq mi
Water area0.95 sq mi
Population density38 people per sq mi
Latitude, longitude39.6665, -79.4219

Figures are published for this ZIP code or its Census tabulation area unless a section says otherwise. Estimates whose margin of error made them unreliable are omitted rather than shown. Sources: US Census Bureau, CDC, IRS.

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