Postal Codes

21814 ZIP Code

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ZIP code 21814 covers Bivalve, Maryland.

Poverty rate
22%9.6 points above the US average
Typical home value
$232,843
Degree or higher
0%35 points below the US average
Homeownership
100%35 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
5

Where 21814 is

Bivalve, 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

Family households52.6%
Born outside the US11.2%
Speaks a language other than English at home58%
White (non-Hispanic)42%
Black (non-Hispanic)0%
Asian (non-Hispanic)0%
Hispanic or Latino58%
Veterans0%
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

Poverty rate22%
Households on SNAP or cash assistance47.4%

Household income distribution

Under $10k47.4%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k0.0%
$35–40k0.0%
$40–45k0.0%
$45–50k0.0%
$50–60k0.0%
$60–75k0.0%
$75–100k52.6%
$100–125k0.0%
$125–150k0.0%
$150–200k0.0%
$200k or more0.0%

Income as declared to the IRS

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

Tax returns filed170
Mean adjusted gross income$54,759
Returns declaring $200,000 or more0%
Returns, under $25k29.4%
Returns, $25k–$50k23.5%
Returns, $50k–$75k17.6%
Returns, $75k–$100k11.8%
Returns, $100k–$200k17.6%
Returns, $200k or more0.0%
Housing

American Community Survey 2019–2023 five-year estimates

Owner-occupied100%
Vacant homes37.9%
Median year built1965

What the homes are

Detached house100%
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$232,843as of 2026-07
Typical home value, 1 yearup 6.7%
Typical home value since 2000
202220242026$232,843$197,852

$201,221 in 2022 to $232,843 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate0%
Bachelor's degree or higher0%
High school diploma or higher100%
Works from home0%
Drives to work alone43.6%
Takes public transport0%
Commutes 45 minutes or more0%
Health

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

Obesity38.5% 5.1 pts above the national average of 33.4%
Diagnosed diabetes14.4% 2.4 pts above the national average of 12%
Currently smokes12.7% 0.5 pts below the national average of 13.2%
High blood pressure43.1% 9 pts above the national average of 34.1%
Fair or poor general health19.5% 0.8 pts below the national average of 20.3%
No health insurance (18–64)6.8% 4.5 pts below the national average of 11.3%
Depression20.3% 1.6 pts below the national average of 21.9%
No leisure-time physical activity26.4% 1 pts above the national average of 25.4%
Arthritis36.1% 11 pts above the national average of 25.1%
Binge drinking12.6% 3.4 pts below the national average of 16%
Taking blood pressure medication84.3% 9.6 pts above the national average of 74.7%
Cancer (non-skin)11.7% 4 pts above the national average of 7.7%
Current asthma10.6% same as the national average of 10.4%
Coronary heart disease8.4% 2.2 pts above the national average of 6.2%
Routine check-up in past year84.7% 8 pts above the national average of 76.7%
Cholesterol screening92.5% 6.6 pts above the national average of 85.9%
Cognitive disability11.8% 3 pts below the national average of 14.8%
Colorectal screening76% 11.7 pts above the national average of 64.3%
COPD8.5% 1.9 pts above the national average of 6.6%
Visited a dentist65.1% 3.8 pts above the national average of 61.3%
Any disability28.3% 2.4 pts below the national average of 30.7%
Lacks emotional support21.6% 3.2 pts below the national average of 24.8%
Food insecurity11.1% 6 pts below the national average of 17.1%
Received food stamps9.2% 5.1 pts below the national average of 14.3%
Hearing disability7.8% 1.1 pts above the national average of 6.7%
High cholesterol46.6% 10.4 pts above the national average of 36.2%
Housing insecurity9% 4.8 pts below the national average of 13.8%
Independent living disability7.4% 1 pts below the national average of 8.4%
Lacks transport6.1% 3.1 pts below the national average of 9.2%
Loneliness30.7% 3.7 pts below the national average of 34.4%
Mammography use79.9% 4 pts above the national average of 75.9%
Poor mental health (14+ days)14.4% 2.4 pts below the national average of 16.8%
Mobility disability15.3% 1.3 pts above the national average of 14%
Poor physical health (14+ days)13.8% same as the national average of 13.5%
Self-care disability3.9% same as the national average of 4%
Utility shut-off threat6.1% 2.7 pts below the national average of 8.8%
Sleeps under 7 hours31.4% 5 pts below the national average of 36.4%
Stroke4.4% 1 pts above the national average of 3.4%
All natural teeth lost13.1% same as 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 establishments5
People employed9
Annual payroll$269,000
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$101,652$78,538
Income per person$51,689$43,289
Poverty rate22%9.3%12.4%
Median home value$397,700$303,400
Median gross rent$1,662$1,348
Homeownership100%67.5%65%
Bachelor's degree or higher0%42.7%35%
Unemployment rate0%4.9%5.2%
Works from home0%17.2%13.5%
Born outside the US11.2%16.3%13.9%
Median age39.338.7
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 US22.2 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.

21840 Nanticoke, MD3.3 km away
21865 Tyaskin, MD4.1 km away
21856 Quantico, MD10.2 km away
21672 Toddville, MD14.9 km away
21627 Crocheron, MD15.3 km away
21821 Deal Island, MD16.6 km away
21675 Wingate, MD17 km away
21810 Allen, MD17.8 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 area3.56 sq mi
Water area5.83 sq mi
Latitude, longitude38.2953, -75.8914

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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