Postal Codes

21856 ZIP Code

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ZIP code 21856 covers Quantico, Maryland, with a population of about 816 and a median household income of $77,946.

Population
81624 per square mile
Median age
52.613.9 points above the US average
Median household income
$77,94623% below the Maryland median
Poverty rate
16.7%4.3 points above the US average
Typical home value
$281,006up 27.1% in five years
Degree or higher
19.6%15.4 points below the US average
Homeownership
80.6%15.6 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
13

Where 21856 is

Quantico, 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

Population816
Median age52.6
Family households94.4%
Born outside the US3.8%
Speaks a language other than English at home2.4%
White (non-Hispanic)65.4%
Black (non-Hispanic)27%
Asian (non-Hispanic)0%
Hispanic or Latino0%
Veterans10.8%
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$77,946
Income per person$33,939
Poverty rate16.7%
Households on SNAP or cash assistance39.4%

Household income distribution

Under $10k0.0%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k0.0%
$35–40k9.7%
$40–45k15.9%
$45–50k0.0%
$50–60k19.4%
$60–75k0.0%
$75–100k29.1%
$100–125k19.1%
$125–150k0.0%
$150–200k0.0%
$200k or more6.9%

Income as declared to the IRS

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

Tax returns filed410
Mean adjusted gross income$81,895
Returns declaring $200,000 or more9.8%
Returns, under $25k26.8%
Returns, $25k–$50k24.4%
Returns, $50k–$75k12.2%
Returns, $75k–$100k9.8%
Returns, $100k–$200k17.1%
Returns, $200k or more9.8%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$242,700
Owner-occupied80.6%
Vacant homes23.1%
Median year built1978

What the homes are

Detached house84.9%
Mobile home15.1%
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$281,006as of 2026-07
Typical home value, 1 yearup 5.7%
Typical home value, 5 yearsup 27.1%
Typical home value, 10 yearsup 71.5%
Typical home value since 2000
200020132026$281,006$122,751

$122,751 in 2000 to $281,006 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.4%
Bachelor's degree or higher19.6%
High school diploma or higher91%
Works from home20.3%
Drives to work alone79.7%
Takes public transport0%
Commutes 45 minutes or more9.6%
Health

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

Obesity38.7% 5.3 pts above the national average of 33.4%
Diagnosed diabetes13.8% 1.8 pts above the national average of 12%
Currently smokes12.7% 0.5 pts below the national average of 13.2%
High blood pressure41.3% 7.2 pts above the national average of 34.1%
Fair or poor general health19.3% 1 pts below the national average of 20.3%
No health insurance (18–64)7.3% 4 pts below the national average of 11.3%
Depression19.9% 2 pts below the national average of 21.9%
No leisure-time physical activity26.1% 0.7 pts above the national average of 25.4%
Arthritis32.9% 7.8 pts above the national average of 25.1%
Binge drinking13.7% 2.3 pts below the national average of 16%
Taking blood pressure medication82.8% 8.1 pts above the national average of 74.7%
Cancer (non-skin)10.2% 2.5 pts above the national average of 7.7%
Current asthma10.3% same as the national average of 10.4%
Coronary heart disease7.8% 1.6 pts above the national average of 6.2%
Routine check-up in past year83.3% 6.6 pts above the national average of 76.7%
Cholesterol screening91.5% 5.6 pts above the national average of 85.9%
Cognitive disability12% 2.8 pts below the national average of 14.8%
Colorectal screening71% 6.7 pts above the national average of 64.3%
COPD7.7% 1.1 pts above the national average of 6.6%
Visited a dentist64.1% 2.8 pts above the national average of 61.3%
Any disability27.6% 3.1 pts below the national average of 30.7%
Lacks emotional support22.7% 2.1 pts below the national average of 24.8%
Food insecurity11.6% 5.5 pts below the national average of 17.1%
Received food stamps9.5% 4.8 pts below the national average of 14.3%
Hearing disability7.2% 0.5 pts above the national average of 6.7%
High cholesterol44.4% 8.2 pts above the national average of 36.2%
Housing insecurity9.6% 4.2 pts below the national average of 13.8%
Independent living disability7.2% 1.2 pts below the national average of 8.4%
Lacks transport6.4% 2.8 pts below the national average of 9.2%
Loneliness31.4% 3 pts below the national average of 34.4%
Mammography use79.7% 3.8 pts above the national average of 75.9%
Poor mental health (14+ days)14.7% 2.1 pts below the national average of 16.8%
Mobility disability14.4% same as the national average of 14%
Poor physical health (14+ days)13.3% same as the national average of 13.5%
Self-care disability3.8% same as the national average of 4%
Utility shut-off threat6.5% 2.3 pts below the national average of 8.8%
Sleeps under 7 hours32.2% 4.2 pts below the national average of 36.4%
Stroke4.2% 0.8 pts above the national average of 3.4%
All natural teeth lost10.6% 2.4 pts below the national average of 13%
Vision disability4.6% 1 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments13
People employed78
Annual payroll$2,292,000
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 87.5% of US census tracts
FEMA ratingRelatively High
Expected annual loss85.9 out of 100
Community resilience68.1 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.

Coastal flooding98.3Relatively High at its worst in this ZIP code
Drought96.7Relatively Moderate at its worst in this ZIP code
Hurricane96.7Relatively High at its worst in this ZIP code
Wildfire96.3Relatively High at its worst in this ZIP code
Winter weather87Relatively High at its worst in this ZIP code
Lightning85.6Relatively High at its worst in this ZIP code
Landslide78.7Very Low at its worst in this ZIP code
Strong wind74.3Relatively Moderate at its worst in this ZIP code
Hail72.2Relatively Moderate at its worst in this ZIP code
Cold wave68.2Relatively Moderate at its worst in this ZIP code
Ice storm66.4Relatively Low at its worst in this ZIP code
River flooding60.9Relatively Moderate at its worst in this ZIP code
Heat wave56.8Relatively Moderate at its worst in this ZIP code
Tornado43.6Relatively Low at its worst in this ZIP code
Earthquake41.2Relatively 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$77,946$101,652$78,538
Income per person$33,939$51,689$43,289
Poverty rate16.7%9.3%12.4%
Median home value$242,700$397,700$303,400
Median gross rent$1,662$1,348
Homeownership80.6%67.5%65%
Bachelor's degree or higher19.6%42.7%35%
Unemployment rate4.4%4.9%5.2%
Works from home20.3%17.2%13.5%
Born outside the US3.8%16.3%13.9%
Median age52.639.338.7
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 stationVIENNA, MD US17.4 km away

Average high and low by month

January47.8°F / 27.7°F
February50.1°F / 28.5°F
March58.3°F / 35.5°F
April69.3°F / 44.1°F
May77.7°F / 54°F
June85.5°F / 63.1°F
July90.1°F / 68.7°F
August88.1°F / 66.6°F
September81.9°F / 60.5°F
October71.7°F / 48.6°F
November60.6°F / 38.5°F
December51.3°F / 31.2°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 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%.

Wicomico 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 vulnerability36more vulnerable than 36% of US census tracts
Socioeconomic status40more vulnerable than 40% of US census tracts
Household characteristics42more vulnerable than 42% of US census tracts
Racial and ethnic minority status33more vulnerable than 33% of US census tracts
Housing type and transport35more vulnerable than 35% of US census tracts
Walkability4.4 out of 20Least walkable
Nearby ZIP codes

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

21865 Tyaskin, MD7.8 km away
21810 Allen, MD9.9 km away
21814 Bivalve, MD10.2 km away
21830 Hebron, MD10.9 km away
21840 Nanticoke, MD12.6 km away
21822 Eden, MD13.1 km away
21826 Fruitland, MD14.2 km away
21801 Salisbury, MD14.3 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.

Wicomico County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area33.48 sq mi
Water area3.56 sq mi
Population density24 people per sq mi
Latitude, longitude38.3339, -75.7851

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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