Postal Codes

21871 ZIP Code

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ZIP code 21871 covers Westover, Maryland, with a population of about 1,635 and a median household income of $52,064.

Population
1,63524 per square mile
Median age
58.219.5 points above the US average
Median household income
$52,06449% below the Maryland median
Poverty rate
10%2.4 points below the US average
Typical home value
$237,358up 21.9% in five years
Degree or higher
20.8%14.2 points below the US average
Homeownership
89.2%24.2 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
34

Where 21871 is

Westover, 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

Population1,635
Median age58.2
Family households63.8%
Born outside the US0.2%
Speaks a language other than English at home0.6%
White (non-Hispanic)65%
Black (non-Hispanic)22.5%
Asian (non-Hispanic)4.8%
Hispanic or Latino2.1%
Veterans8.7%
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$52,064
Income per person$33,629
Poverty rate10%
Households on SNAP or cash assistance17.9%

Household income distribution

Under $10k5.0%
$10–15k2.6%
$15–20k3.5%
$20–25k11.6%
$25–30k0.0%
$30–35k4.6%
$35–40k6.0%
$40–45k8.7%
$45–50k0.4%
$50–60k11.6%
$60–75k14.1%
$75–100k4.6%
$100–125k11.6%
$125–150k8.2%
$150–200k5.5%
$200k or more1.9%

Income as declared to the IRS

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

Tax returns filed890
Mean adjusted gross income$58,784
Returns declaring $200,000 or more2.2%
Returns, under $25k29.2%
Returns, $25k–$50k27.0%
Returns, $50k–$75k16.9%
Returns, $75k–$100k9.0%
Returns, $100k–$200k15.7%
Returns, $200k or more2.2%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$201,500
Owner-occupied89.2%
Vacant homes13.9%
Median year built1982

What the homes are

Detached house89.3%
Attached house0.8%
2 to 4 units1.2%
5 to 19 units1.3%
Mobile home7.4%
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$237,358as of 2026-07
Typical home value, 1 yearup 5.9%
Typical home value, 5 yearsup 21.9%
Typical home value, 10 yearsup 73.6%
Typical home value since 2000
200020132026$237,358$79,054

$79,054 in 2000 to $237,358 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate1.9%
Bachelor's degree or higher20.8%
High school diploma or higher83.5%
Works from home10.3%
Drives to work alone89.1%
Takes public transport0.6%
Commutes 45 minutes or more15.5%
Health

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

Obesity36.3% 2.9 pts above the national average of 33.4%
Diagnosed diabetes15.8% 3.8 pts above the national average of 12%
Currently smokes17.2% 4 pts above the national average of 13.2%
High blood pressure46% 11.9 pts above the national average of 34.1%
Fair or poor general health23.8% 3.5 pts above the national average of 20.3%
No health insurance (18–64)9.8% 1.5 pts below the national average of 11.3%
Depression21.6% same as the national average of 21.9%
No leisure-time physical activity31.5% 6.1 pts above the national average of 25.4%
Arthritis35.5% 10.4 pts above the national average of 25.1%
Binge drinking13.8% 2.2 pts below the national average of 16%
Taking blood pressure medication80.4% 5.7 pts above the national average of 74.7%
Cancer (non-skin)9.9% 2.2 pts above the national average of 7.7%
Current asthma11.6% 1.2 pts above the national average of 10.4%
Coronary heart disease8.9% 2.7 pts above the national average of 6.2%
Routine check-up in past year81.2% 4.5 pts above the national average of 76.7%
Cholesterol screening89.2% 3.3 pts above the national average of 85.9%
Cognitive disability15.4% 0.6 pts above the national average of 14.8%
Colorectal screening70.6% 6.3 pts above the national average of 64.3%
COPD10.3% 3.7 pts above the national average of 6.6%
Visited a dentist60.2% 1.1 pts below the national average of 61.3%
Any disability34.6% 3.9 pts above the national average of 30.7%
Lacks emotional support26.3% 1.5 pts above the national average of 24.8%
Food insecurity17.9% 0.8 pts above the national average of 17.1%
Received food stamps15.6% 1.3 pts above the national average of 14.3%
Hearing disability8.1% 1.4 pts above the national average of 6.7%
High cholesterol43% 6.8 pts above the national average of 36.2%
Housing insecurity13.9% same as the national average of 13.8%
Independent living disability9.8% 1.4 pts above the national average of 8.4%
Lacks transport8.8% same as the national average of 9.2%
Loneliness33.3% 1.1 pts below the national average of 34.4%
Mammography use80.7% 4.8 pts above the national average of 75.9%
Poor mental health (14+ days)16.9% same as the national average of 16.8%
Mobility disability18.9% 4.9 pts above the national average of 14%
Poor physical health (14+ days)16.3% 2.8 pts above the national average of 13.5%
Self-care disability5.2% 1.2 pts above the national average of 4%
Utility shut-off threat8.9% same as the national average of 8.8%
Sleeps under 7 hours39.1% 2.7 pts above the national average of 36.4%
Stroke5% 1.6 pts above the national average of 3.4%
All natural teeth lost16.1% 3.1 pts above the national average of 13%
Vision disability6.2% 0.6 pts above the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments34
People employed270
Annual payroll$10,383,000
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 85.7% of US census tracts
FEMA ratingRelatively Moderate to Relatively High across the 2 census tracts this ZIP code covers
Expected annual loss85.7 out of 100
Community resilience86.7 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 flooding99.1Very High at its worst in this ZIP code
Drought96.2Relatively Moderate at its worst in this ZIP code
Hurricane95.7Relatively High at its worst in this ZIP code
Wildfire94.5Relatively Moderate at its worst in this ZIP code
Cold wave84.8Relatively High at its worst in this ZIP code
Strong wind83.9Relatively High at its worst in this ZIP code
Winter weather77.2Relatively Moderate at its worst in this ZIP code
Ice storm70.2Relatively Moderate at its worst in this ZIP code
Hail67.7Relatively Moderate at its worst in this ZIP code
Lightning56.8Relatively Moderate at its worst in this ZIP code
Heat wave50.4Relatively Low at its worst in this ZIP code
River flooding49.1Relatively Moderate at its worst in this ZIP code
Landslide47.2Very Low at its worst in this ZIP code
Earthquake40.7Relatively Low at its worst in this ZIP code
Tornado37.9Relatively 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$52,064$101,652$78,538
Income per person$33,629$51,689$43,289
Poverty rate10%9.3%12.4%
Median home value$201,500$397,700$303,400
Median gross rent$1,662$1,348
Homeownership89.2%67.5%65%
Bachelor's degree or higher20.8%42.7%35%
Unemployment rate1.9%4.9%5.2%
Works from home10.3%17.2%13.5%
Born outside the US0.2%16.3%13.9%
Median age58.239.338.7
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 stationWALLOPS ISLAND FLIGHT FAC, VA US30.1 km away
Rain in a year43 in
Snow in a year8 in

Average high and low by month

January46.2°F / 29.5°F3.15 in rain, 3.5 in snow
February48.5°F / 31.1°F2.81 in rain, 2.3 in snow
March54.5°F / 37°F3.91 in rain, 0.7 in snow
April64.3°F / 45.9°F3.12 in rain, 0.2 in snow
May72.7°F / 55.5°F3.2 in rain
June81.3°F / 65.1°F3.39 in rain
July86.1°F / 70.4°F4.37 in rain
August84.2°F / 68.7°F4.32 in rain
September78.7°F / 63°F4.33 in rain
October69.1°F / 51.4°F4.02 in rain
November58.8°F / 40.7°F2.88 in rain
December50.5°F / 33.5°F3.75 in rain, 1.7 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 supermarket6% of this ZIP code's area
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%.

Somerset 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 vulnerability30more vulnerable than 30% of US census tracts
Socioeconomic status43more vulnerable than 43% of US census tracts
Household characteristics12more vulnerable than 12% of US census tracts
Racial and ethnic minority status66more vulnerable than 66% of US census tracts
Housing type and transport30more vulnerable than 30% of US census tracts
Walkability3.6 out of 20Least walkable
Nearby ZIP codes

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

21836 Manokin, MD2.1 km away
21867 Upper Fairmount, MD4.4 km away
21838 Marion Station, MD8.4 km away
21857 Rehobeth, MD9.7 km away
21853 Princess Anne, MD10.5 km away
21890 Westover, MD12.9 km away
21817 Crisfield, MD15.8 km away
21851 Pocomoke City, MD16.6 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.

Somerset County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area67.12 sq mi
Water area8.1 sq mi
Population density24 people per sq mi
Latitude, longitude38.1010, -75.7406

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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