Postal Codes

21561 ZIP Code

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ZIP code 21561 covers Swanton, Maryland, with a population of about 2,662 and a median household income of $71,964.

Population
2,66226 per square mile
Median age
56.217.5 points above the US average
Median household income
$71,96429% below the Maryland median
Poverty rate
8.8%3.6 points below the US average
Typical home value
$593,962up 26.2% in five years
Degree or higher
35.2%about the US average
Homeownership
91.4%26.4 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
37

Where 21561 is

Swanton, 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

Population2,662
Median age56.2
Family households65.8%
Born outside the US1.9%
Speaks a language other than English at home7.2%
White (non-Hispanic)95.2%
Black (non-Hispanic)0.8%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans8.1%
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$71,964
Income per person$52,519
Poverty rate8.8%
Households on SNAP or cash assistance14.2%

Household income distribution

Under $10k3.9%
$10–15k1.6%
$15–20k2.7%
$20–25k3.2%
$25–30k8.6%
$30–35k1.4%
$35–40k3.6%
$40–45k7.1%
$45–50k2.8%
$50–60k6.4%
$60–75k11.4%
$75–100k10.6%
$100–125k3.1%
$125–150k10.1%
$150–200k7.7%
$200k or more15.9%

Income as declared to the IRS

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

Tax returns filed1,120
Mean adjusted gross income$90,126
Returns declaring $200,000 or more7.1%
Returns, under $25k26.8%
Returns, $25k–$50k21.4%
Returns, $50k–$75k14.3%
Returns, $75k–$100k10.7%
Returns, $100k–$200k19.6%
Returns, $200k or more7.1%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$288,800
Owner-occupied91.4%
Vacant homes52.2%
Median year built1985

What the homes are

Detached house87.5%
Attached house1.2%
2 to 4 units0.3%
Mobile home8.7%
Boat, RV or van2.3%
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$593,962as of 2026-07
Typical home value, 1 yearup 0.9%
Typical home value, 5 yearsup 26.2%
Typical home value, 10 yearsup 101.3%
Typical home value since 2000
200020132026$599,983$139,115

$139,115 in 2000 to $593,962 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher35.2%
High school diploma or higher92.6%
Works from home15.1%
Drives to work alone71.5%
Takes public transport0%
Commutes 45 minutes or more11.7%
Health

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

Obesity36.8% 3.4 pts above the national average of 33.4%
Diagnosed diabetes15.1% 3.1 pts above the national average of 12%
Currently smokes14.4% 1.2 pts above the national average of 13.2%
High blood pressure44.3% 10.2 pts above the national average of 34.1%
Fair or poor general health21.7% 1.4 pts above the national average of 20.3%
No health insurance (18–64)7.9% 3.4 pts below the national average of 11.3%
Depression20.8% 1.1 pts below the national average of 21.9%
No leisure-time physical activity27.4% 2 pts above the national average of 25.4%
Arthritis36.6% 11.5 pts above the national average of 25.1%
Binge drinking13.6% 2.4 pts below the national average of 16%
Taking blood pressure medication80.8% 6.1 pts above the national average of 74.7%
Cancer (non-skin)11.9% 4.2 pts above the national average of 7.7%
Current asthma11.1% 0.7 pts above the national average of 10.4%
Coronary heart disease9% 2.8 pts above the national average of 6.2%
Routine check-up in past year80.7% 4 pts above the national average of 76.7%
Cholesterol screening88.7% 2.8 pts above the national average of 85.9%
Cognitive disability13.7% 1.1 pts below the national average of 14.8%
Colorectal screening72.5% 8.2 pts above the national average of 64.3%
COPD9.9% 3.3 pts above the national average of 6.6%
Visited a dentist63.3% 2 pts above the national average of 61.3%
Any disability32.7% 2 pts above the national average of 30.7%
Lacks emotional support20.6% 4.2 pts below the national average of 24.8%
Food insecurity12.7% 4.4 pts below the national average of 17.1%
Received food stamps11.6% 2.7 pts below the national average of 14.3%
Hearing disability9.4% 2.7 pts above the national average of 6.7%
High cholesterol45.2% 9 pts above the national average of 36.2%
Housing insecurity9.8% 4 pts below the national average of 13.8%
Independent living disability8.6% same as the national average of 8.4%
Lacks transport6.8% 2.4 pts below the national average of 9.2%
Loneliness30.3% 4.1 pts below the national average of 34.4%
Mammography use77.7% 1.8 pts above the national average of 75.9%
Poor mental health (14+ days)16.1% 0.7 pts below the national average of 16.8%
Mobility disability16.6% 2.6 pts above the national average of 14%
Poor physical health (14+ days)15.4% 1.9 pts above the national average of 13.5%
Self-care disability4.2% same as the national average of 4%
Utility shut-off threat6.6% 2.2 pts below the national average of 8.8%
Sleeps under 7 hours35.1% 1.3 pts below the national average of 36.4%
Stroke4.4% 1 pts above the national average of 3.4%
All natural teeth lost13.4% same as 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 establishments37
People employed98
Annual payroll$4,906,000
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 12.2% of US census tracts
FEMA ratingVery Low to Relatively Low across the 4 census tracts this ZIP code covers
Expected annual loss9.9 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.

Landslide92.1Relatively Low at its worst in this ZIP code
Drought87.7Relatively Low at its worst in this ZIP code
Winter weather74.6Relatively High at its worst in this ZIP code
Wildfire64.9Relatively Low at its worst in this ZIP code
Hail64.6Relatively Moderate at its worst in this ZIP code
Strong wind61.1Relatively Moderate at its worst in this ZIP code
Hurricane57.4Relatively Low at its worst in this ZIP code
Lightning53.2Relatively Moderate at its worst in this ZIP code
Avalanche44.8Very Low at its worst in this ZIP code
Cold wave40.2Relatively Moderate at its worst in this ZIP code
River flooding31.2Relatively Low at its worst in this ZIP code
Tornado30.2Relatively Low at its worst in this ZIP code
Earthquake20.5Very Low at its worst in this ZIP code
Ice storm15.4Very Low at its worst in this ZIP code
Heat wave2Very 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$71,964$101,652$78,538
Income per person$52,519$51,689$43,289
Poverty rate8.8%9.3%12.4%
Median home value$288,800$397,700$303,400
Median gross rent$1,662$1,348
Homeownership91.4%67.5%65%
Bachelor's degree or higher35.2%42.7%35%
Unemployment rate0%4.9%5.2%
Works from home15.1%17.2%13.5%
Born outside the US1.9%16.3%13.9%
Median age56.239.338.7
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 stationSAVAGE RVR DAM, MD US9.4 km away
Rain in a year41 in

Average high and low by month

January36°F / 20.3°F2.99 in rain
February39.2°F / 21.4°F2.64 in rain
March47.7°F / 28.1°F3.29 in rain
April60.8°F / 37.4°F3.66 in rain
May69.3°F / 47.2°F4.58 in rain
June77°F / 55.8°F4.62 in rain
July81.1°F / 60.1°F4.14 in rain
August79.7°F / 58.7°F3.46 in rain
September73.4°F / 52°F3.75 in rain
October61.8°F / 40.9°F2.93 in rain
November50.1°F / 31.8°F2.44 in rain
December39.8°F / 25.3°F2.91 in rain
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 supermarketNone of this ZIP code
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 vulnerability41more vulnerable than 41% of US census tracts
Socioeconomic status39more vulnerable than 39% of US census tracts
Household characteristics50more vulnerable than 50% of US census tracts
Racial and ethnic minority status6more vulnerable than 6% of US census tracts
Housing type and transport52more vulnerable than 52% of US census tracts
Walkability4.6 out of 20Least walkable
Nearby ZIP codes

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

21538 Kitzmiller, MD6.8 km away
21550 Oakland, MD8.1 km away
21523 Bloomington, MD13.5 km away
21522 Bittinger, MD14.1 km away
26717 Elk Garden, WV14.6 km away
21540 Luke, MD15.5 km away
21541 Mc Henry, MD15.7 km away
26750 Piedmont, WV16.4 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 area101.85 sq mi
Water area3.5 sq mi
Population density26 people per sq mi
Latitude, longitude39.4764, -79.2402

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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