Postal Codes

21665 ZIP Code

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ZIP code 21665 covers Sherwood, Maryland, with a population of about 169.

Population
16932 per square mile
Median age
62.523.8 points above the US average
Poverty rate
13%0.6 points above the US average
Typical home value
$750,999up 21.3% in five years
Degree or higher
41.8%6.8 points above the US average
Homeownership
100%35 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
3

Where 21665 is

Sherwood, 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

Population169
Median age62.5
Family households58.7%
Born outside the US5.9%
Speaks a language other than English at home3%
White (non-Hispanic)89.3%
Black (non-Hispanic)0%
Asian (non-Hispanic)4.1%
Hispanic or Latino6.5%
Veterans5.1%
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

Poverty rate13%
Households on SNAP or cash assistance7.6%

Household income distribution

Under $10k23.9%
$10–15k0.0%
$15–20k0.0%
$20–25k0.0%
$25–30k0.0%
$30–35k0.0%
$35–40k7.6%
$40–45k0.0%
$45–50k0.0%
$50–60k8.7%
$60–75k2.2%
$75–100k13.0%
$100–125k0.0%
$125–150k6.5%
$150–200k13.0%
$200k or more25.0%

Income as declared to the IRS

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

Tax returns filed140
Mean adjusted gross income$139,021
Returns declaring $200,000 or more14.3%
Returns, under $25k35.7%
Returns, $25k–$50k0.0%
Returns, $50k–$75k21.4%
Returns, $75k–$100k0.0%
Returns, $100k–$200k28.6%
Returns, $200k or more14.3%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$525,900
Owner-occupied100%
Vacant homes51.3%
Median year built1995

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$750,999as of 2026-07
Typical home value, 1 yearup 1.5%
Typical home value, 5 yearsup 21.3%
Typical home value since 2000
201820222026$752,397$480,000

$480,000 in 2018 to $750,999 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate8.7%
Bachelor's degree or higher41.8%
High school diploma or higher89.9%
Works from home27%
Drives to work alone61.9%
Takes public transport0%
Commutes 45 minutes or more34.8%
Health

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

Obesity29.6% 3.8 pts below the national average of 33.4%
Diagnosed diabetes11.1% 0.9 pts below the national average of 12%
Currently smokes12.6% 0.6 pts below the national average of 13.2%
High blood pressure37.2% 3.1 pts above the national average of 34.1%
Fair or poor general health17.7% 2.6 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%
Depression22.8% 0.9 pts above the national average of 21.9%
No leisure-time physical activity22.8% 2.6 pts below the national average of 25.4%
Arthritis30.9% 5.8 pts above the national average of 25.1%
Binge drinking16.3% same as the national average of 16%
Taking blood pressure medication79.1% 4.4 pts above the national average of 74.7%
Cancer (non-skin)11% 3.3 pts above the national average of 7.7%
Current asthma10.8% same as the national average of 10.4%
Coronary heart disease7% 0.8 pts above the national average of 6.2%
Routine check-up in past year80.5% 3.8 pts above the national average of 76.7%
Cholesterol screening90.3% 4.4 pts above the national average of 85.9%
Cognitive disability12.7% 2.1 pts below the national average of 14.8%
Colorectal screening69.5% 5.2 pts above the national average of 64.3%
COPD7.7% 1.1 pts above the national average of 6.6%
Visited a dentist66.6% 5.3 pts above the national average of 61.3%
Any disability28.8% 1.9 pts below the national average of 30.7%
Lacks emotional support20.5% 4.3 pts below the national average of 24.8%
Food insecurity10.5% 6.6 pts below the national average of 17.1%
Received food stamps8.5% 5.8 pts below the national average of 14.3%
Hearing disability7.7% 1 pts above the national average of 6.7%
High cholesterol40.8% 4.6 pts above the national average of 36.2%
Housing insecurity9.1% 4.7 pts below the national average of 13.8%
Independent living disability7.4% 1 pts below the national average of 8.4%
Lacks transport5.8% 3.4 pts below the national average of 9.2%
Loneliness32% 2.4 pts below the national average of 34.4%
Mammography use78% 2.1 pts above the national average of 75.9%
Poor mental health (14+ days)15.1% 1.7 pts below the national average of 16.8%
Mobility disability13.9% same as the national average of 14%
Poor physical health (14+ days)13.8% same as the national average of 13.5%
Self-care disability3.5% 0.5 pts below the national average of 4%
Utility shut-off threat5.6% 3.2 pts below the national average of 8.8%
Sleeps under 7 hours32.4% 4 pts below the national average of 36.4%
Stroke3.6% same as the national average of 3.4%
All natural teeth lost7.6% 5.4 pts below the national average of 13%
Vision disability4.2% 1.4 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments3
People employed8
Annual payroll$475,000
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 19.6% of US census tracts
FEMA ratingVery Low
Expected annual loss18.1 out of 100
Community resilience96.6 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.

Coastal flooding96.2Relatively High at its worst in this ZIP code
Drought92.7Relatively Moderate at its worst in this ZIP code
Wildfire85.4Relatively Low at its worst in this ZIP code
Hurricane81.3Relatively Moderate at its worst in this ZIP code
Heat wave73.3Relatively Moderate at its worst in this ZIP code
Lightning69.3Relatively Moderate at its worst in this ZIP code
Winter weather60.9Relatively Moderate at its worst in this ZIP code
Strong wind60.8Relatively Moderate at its worst in this ZIP code
Landslide47Very Low at its worst in this ZIP code
Cold wave40.2Relatively Low at its worst in this ZIP code
Ice storm38.6Relatively Low at its worst in this ZIP code
Tornado35.8Relatively Low at its worst in this ZIP code
Hail32.7Very Low at its worst in this ZIP code
Earthquake32.4Very Low at its worst in this ZIP code
River flooding5.7Very 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 rate13%9.3%12.4%
Median home value$525,900$397,700$303,400
Median gross rent$1,662$1,348
Homeownership100%67.5%65%
Bachelor's degree or higher41.8%42.7%35%
Unemployment rate8.7%4.9%5.2%
Works from home27%17.2%13.5%
Born outside the US5.9%16.3%13.9%
Median age62.539.338.7
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 stationROYAL OAK 2 SSW, MD US12.1 km away
Rain in a year48 in
Snow in a year14 in

Average high and low by month

January44.6°F / 29.3°F3.52 in rain, 5.1 in snow
February47.4°F / 30.5°F3.06 in rain, 4.8 in snow
March55.6°F / 37.2°F4.39 in rain, 2.3 in snow
April66.9°F / 46.6°F3.67 in rain, 0.1 in snow
May75.4°F / 56.2°F3.95 in rain
June83.7°F / 65.5°F4.04 in rain
July88.1°F / 70.1°F4.34 in rain
August86.3°F / 68°F4.78 in rain
September80.1°F / 61.5°F4.18 in rain
October69°F / 50.6°F4.36 in rain
November57.9°F / 40.8°F3.38 in rain
December48.6°F / 33.3°F3.94 in rain, 1.8 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 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%.

Talbot 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 vulnerability27more vulnerable than 27% of US census tracts
Socioeconomic status28more vulnerable than 28% of US census tracts
Household characteristics86more vulnerable than 86% of US census tracts
Racial and ethnic minority status9more vulnerable than 9% of US census tracts
Housing type and transport13more vulnerable than 13% of US census tracts
Walkability6 out of 20Below average
Nearby ZIP codes

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

21671 Tilghman, MD3.6 km away
21652 Neavitt, MD4.2 km away
21612 Bozman, MD4.7 km away
21676 Wittman, MD5.8 km away
21647 Mcdaniel, MD10 km away
21663 Saint Michaels, MD10.5 km away
21662 Royal Oak, MD10.6 km away
21624 Claiborne, MD12.1 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.

Talbot County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area5.27 sq mi
Water area13.89 sq mi
Population density32 people per sq mi
Latitude, longitude38.7374, -76.3278

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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