Postal Codes

21520 ZIP Code

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ZIP code 21520 covers Accident, Maryland, with a population of about 2,327 and a median household income of $63,631.

Population
2,32741 per square mile
Median age
39.40.7 points above the US average
Median household income
$63,63137% below the Maryland median
Poverty rate
7.9%4.5 points below the US average
Typical home value
$322,028up 20.8% in five years
Median rent
$68159% below the Maryland median
Degree or higher
28.5%6.5 points below the US average
Homeownership
79.1%14.1 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
67

Where 21520 is

Accident, 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

Population2,327
Median age39.4
Family households74.3%
Born outside the US2.2%
Speaks a language other than English at home2.9%
White (non-Hispanic)90.5%
Black (non-Hispanic)3.5%
Asian (non-Hispanic)1.9%
Hispanic or Latino1.4%
Veterans5.8%
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$63,631
Income per person$41,376
Poverty rate7.9%
Households on SNAP or cash assistance14.4%

Household income distribution

Under $10k1.9%
$10–15k5.3%
$15–20k1.5%
$20–25k2.8%
$25–30k0.8%
$30–35k5.4%
$35–40k4.1%
$40–45k3.1%
$45–50k4.8%
$50–60k15.2%
$60–75k11.5%
$75–100k10.6%
$100–125k9.1%
$125–150k8.9%
$150–200k3.5%
$200k or more11.3%

Income as declared to the IRS

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

Tax returns filed990
Mean adjusted gross income$69,765
Returns declaring $200,000 or more4%
Returns, under $25k28.3%
Returns, $25k–$50k23.2%
Returns, $50k–$75k15.2%
Returns, $75k–$100k11.1%
Returns, $100k–$200k18.2%
Returns, $200k or more4.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$275,500
Median gross rent$681
Rent as a share of household income27.4%
Owner-occupied79.1%
Vacant homes17.6%
Median year built1980

What the homes are

Detached house76.8%
Attached house6.9%
2 to 4 units4.3%
5 to 19 units0.5%
20 or more units6.1%
Mobile home5.4%
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$322,028as of 2026-07
Typical home value, 1 yearup 3.3%
Typical home value, 5 yearsup 20.8%
Typical home value, 10 yearsup 73.2%
Typical home value since 2000
200020132026$322,028$93,219

$93,219 in 2000 to $322,028 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.3%
Bachelor's degree or higher28.5%
High school diploma or higher93.3%
Works from home12%
Drives to work alone77.2%
Takes public transport0.5%
Commutes 45 minutes or more11.3%
Health

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

Obesity37% 3.6 pts above the national average of 33.4%
Diagnosed diabetes13.9% 1.9 pts above the national average of 12%
Currently smokes15.2% 2 pts above the national average of 13.2%
High blood pressure41.7% 7.6 pts above the national average of 34.1%
Fair or poor general health21.6% 1.3 pts above the national average of 20.3%
No health insurance (18–64)8.3% 3 pts below the national average of 11.3%
Depression21.6% same as the national average of 21.9%
No leisure-time physical activity27.6% 2.2 pts above the national average of 25.4%
Arthritis34.4% 9.3 pts above the national average of 25.1%
Binge drinking14.6% 1.4 pts below the national average of 16%
Taking blood pressure medication78.6% 3.9 pts above the national average of 74.7%
Cancer (non-skin)10.6% 2.9 pts above the national average of 7.7%
Current asthma11.4% 1 pts above the national average of 10.4%
Coronary heart disease7.9% 1.7 pts above the national average of 6.2%
Routine check-up in past year79.2% 2.5 pts above the national average of 76.7%
Cholesterol screening88% 2.1 pts above the national average of 85.9%
Cognitive disability14.4% same as the national average of 14.8%
Colorectal screening69% 4.7 pts above the national average of 64.3%
COPD9.5% 2.9 pts above the national average of 6.6%
Visited a dentist64% 2.7 pts above the national average of 61.3%
Any disability32.2% 1.5 pts above the national average of 30.7%
Lacks emotional support21.8% 3 pts below the national average of 24.8%
Food insecurity13.3% 3.8 pts below the national average of 17.1%
Received food stamps12.1% 2.2 pts below the national average of 14.3%
Hearing disability8.5% 1.8 pts above the national average of 6.7%
High cholesterol43% 6.8 pts above the national average of 36.2%
Housing insecurity10.7% 3.1 pts below the national average of 13.8%
Independent living disability8.8% same as the national average of 8.4%
Lacks transport7.1% 2.1 pts below the national average of 9.2%
Loneliness31.7% 2.7 pts below the national average of 34.4%
Mammography use80% 4.1 pts above the national average of 75.9%
Poor mental health (14+ days)17.1% same as the national average of 16.8%
Mobility disability16% 2 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 disability4.1% same as the national average of 4%
Utility shut-off threat7% 1.8 pts below the national average of 8.8%
Sleeps under 7 hours35.8% 0.6 pts below the national average of 36.4%
Stroke4.1% 0.7 pts above the national average of 3.4%
All natural teeth lost12.3% 0.7 pts below the national average of 13%
Vision disability5% 0.6 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments67
People employed517
Annual payroll$17,864,000
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 31.3% of US census tracts
FEMA ratingVery Low to Relatively Low across the 4 census tracts this ZIP code covers
Expected annual loss25.8 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.

Landslide93.8Relatively Low at its worst in this ZIP code
Winter weather88.2Relatively High at its worst in this ZIP code
Drought87.3Relatively Low at its worst in this ZIP code
Hail79.3Relatively Moderate at its worst in this ZIP code
Strong wind77.5Relatively Moderate at its worst in this ZIP code
Wildfire77Relatively Low at its worst in this ZIP code
Lightning70.5Relatively Moderate at its worst in this ZIP code
Hurricane70.1Relatively Low at its worst in this ZIP code
Cold wave55.3Relatively Moderate at its worst in this ZIP code
River flooding53.9Relatively Moderate at its worst in this ZIP code
Avalanche46.3Very Low at its worst in this ZIP code
Tornado43.2Relatively Low at its worst in this ZIP code
Ice storm29.2Very Low at its worst in this ZIP code
Earthquake29.1Very 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$63,631$101,652$78,538
Income per person$41,376$51,689$43,289
Poverty rate7.9%9.3%12.4%
Median home value$275,500$397,700$303,400
Median gross rent$681$1,662$1,348
Homeownership79.1%67.5%65%
Bachelor's degree or higher28.5%42.7%35%
Unemployment rate1.3%4.9%5.2%
Works from home12%17.2%13.5%
Born outside the US2.2%16.3%13.9%
Median age39.439.338.7
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 stationSINES DEEP CREEK, MD US15.4 km away

Average high and low by month

January34°F / 16.6°F
February37.8°F / 17.5°F
March46.9°F / 24.4°F
April59.3°F / 33.7°F
May67.9°F / 43.5°F
June74.9°F / 51.7°F
July79°F / 56.2°F
August76.4°F / 54.9°F
September71.5°F / 48°F
October61.1°F / 38.5°F
November48.5°F / 29°F
December38.2°F / 21°F
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 supermarket64% 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 vulnerability43more vulnerable than 43% of US census tracts
Socioeconomic status34more vulnerable than 34% of US census tracts
Household characteristics55more vulnerable than 55% of US census tracts
Racial and ethnic minority status3more vulnerable than 3% of US census tracts
Housing type and transport66more vulnerable than 66% of US census tracts
Walkability6.1 out of 20Below average
Nearby ZIP codes

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

21522 Bittinger, MD8.2 km away
21541 Mc Henry, MD10 km away
21531 Friendsville, MD10.3 km away
15411 Addison, PA12.9 km away
21536 Grantsville, MD15.9 km away
15540 Fort Hill, PA18.6 km away
21561 Swanton, MD18.6 km away
15459 Markleysburg, PA18.9 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 area56.69 sq mi
Population density41 people per sq mi
Latitude, longitude39.6355, -79.3085

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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