Postal Codes

20662 ZIP Code

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ZIP code 20662 covers Nanjemoy, Maryland, with a population of about 2,326 and a median household income of $84,286.

Population
2,32641 per square mile
Median age
42.43.7 points above the US average
Median household income
$84,28617% below the Maryland median
Poverty rate
13.2%0.8 points above the US average
Typical home value
$401,520up 13.4% in five years
Degree or higher
16.4%18.6 points below the US average
Homeownership
89.7%24.7 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
14

Where 20662 is

Nanjemoy, 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

Population2,326
Median age42.4
Family households70%
Born outside the US1.3%
Speaks a language other than English at home2.2%
White (non-Hispanic)60.8%
Black (non-Hispanic)25.9%
Asian (non-Hispanic)1.1%
Hispanic or Latino0%
Veterans9.9%
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$84,286
Income per person$38,313
Poverty rate13.2%
Households on SNAP or cash assistance9.9%

Household income distribution

Under $10k5.8%
$10–15k0.0%
$15–20k1.2%
$20–25k3.3%
$25–30k9.3%
$30–35k0.2%
$35–40k7.6%
$40–45k0.6%
$45–50k0.4%
$50–60k6.3%
$60–75k6.6%
$75–100k13.9%
$100–125k15.1%
$125–150k6.2%
$150–200k19.9%
$200k or more3.6%

Income as declared to the IRS

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

Tax returns filed1,240
Mean adjusted gross income$72,556
Returns declaring $200,000 or more4%
Returns, under $25k25.0%
Returns, $25k–$50k22.6%
Returns, $50k–$75k16.1%
Returns, $75k–$100k11.3%
Returns, $100k–$200k21.0%
Returns, $200k or more4.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$381,900
Owner-occupied89.7%
Vacant homes6.5%
Median year built1981

What the homes are

Detached house92.5%
Mobile home7.5%
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$401,520as of 2026-07
Typical home value, 1 yearup 0.3%
Typical home value, 5 yearsup 13.4%
Typical home value, 10 yearsup 54.7%
Typical home value since 2000
200020132026$401,520$148,011

$148,011 in 2000 to $401,520 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate5.6%
Bachelor's degree or higher16.4%
High school diploma or higher90.1%
Works from home5.9%
Drives to work alone82.5%
Takes public transport0%
Commutes 45 minutes or more48.4%
Health

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

Obesity41.8% 8.4 pts above the national average of 33.4%
Diagnosed diabetes15.9% 3.9 pts above the national average of 12%
Currently smokes14.4% 1.2 pts above the national average of 13.2%
High blood pressure45.9% 11.8 pts above the national average of 34.1%
Fair or poor general health20.4% same as the national average of 20.3%
No health insurance (18–64)7.5% 3.8 pts below the national average of 11.3%
Depression19.4% 2.5 pts below the national average of 21.9%
No leisure-time physical activity26% 0.6 pts above the national average of 25.4%
Arthritis31.7% 6.6 pts above the national average of 25.1%
Binge drinking13.3% 2.7 pts below the national average of 16%
Taking blood pressure medication80.7% 6 pts above the national average of 74.7%
Cancer (non-skin)8.9% 1.2 pts above the national average of 7.7%
Current asthma10.6% same as the national average of 10.4%
Coronary heart disease7.5% 1.3 pts above the national average of 6.2%
Routine check-up in past year81.1% 4.4 pts above the national average of 76.7%
Cholesterol screening90.1% 4.2 pts above the national average of 85.9%
Cognitive disability13.3% 1.5 pts below the national average of 14.8%
Colorectal screening68.4% 4.1 pts above the national average of 64.3%
COPD8.2% 1.6 pts above the national average of 6.6%
Visited a dentist57.6% 3.7 pts below the national average of 61.3%
Any disability30.5% same as the national average of 30.7%
Lacks emotional support25.4% 0.6 pts above the national average of 24.8%
Food insecurity15.8% 1.3 pts below the national average of 17.1%
Received food stamps12.6% 1.7 pts below the national average of 14.3%
Hearing disability7.2% 0.5 pts above the national average of 6.7%
High cholesterol41.6% 5.4 pts above the national average of 36.2%
Housing insecurity12.8% 1 pts below the national average of 13.8%
Independent living disability8.2% same as the national average of 8.4%
Lacks transport8.1% 1.1 pts below the national average of 9.2%
Loneliness33.8% 0.6 pts below the national average of 34.4%
Mammography use78.3% 2.4 pts above the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability15.8% 1.8 pts above the national average of 14%
Poor physical health (14+ days)14.3% 0.8 pts above the national average of 13.5%
Self-care disability4.4% same as the national average of 4%
Utility shut-off threat8.7% same as the national average of 8.8%
Sleeps under 7 hours38.6% 2.2 pts above the national average of 36.4%
Stroke4.4% 1 pts above the national average of 3.4%
All natural teeth lost12.9% same as the national average of 13%
Vision disability5.4% same as the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments14
People employed72
Annual payroll$2,065,000
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 7.9% of US census tracts
FEMA ratingVery Low
Expected annual loss8.8 out of 100
Community resilience81.8 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.

Drought93.3Relatively Moderate at its worst in this ZIP code
Coastal flooding88.9Relatively Moderate at its worst in this ZIP code
Landslide81.8Relatively Low at its worst in this ZIP code
Strong wind75.6Relatively Moderate at its worst in this ZIP code
Wildfire66.8Very Low at its worst in this ZIP code
Lightning65.4Relatively Moderate at its worst in this ZIP code
Hurricane65.3Relatively Low at its worst in this ZIP code
Winter weather62.1Relatively Moderate at its worst in this ZIP code
Heat wave55.7Relatively Low at its worst in this ZIP code
Hail48.7Relatively Low at its worst in this ZIP code
Earthquake43.6Relatively Low at its worst in this ZIP code
Tornado27.5Very Low at its worst in this ZIP code
Ice storm24.9Very Low at its worst in this ZIP code
Cold wave21.9Relatively Low at its worst in this ZIP code
River flooding9.1Very 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$84,286$101,652$78,538
Income per person$38,313$51,689$43,289
Poverty rate13.2%9.3%12.4%
Median home value$381,900$397,700$303,400
Median gross rent$1,662$1,348
Homeownership89.7%67.5%65%
Bachelor's degree or higher16.4%42.7%35%
Unemployment rate5.6%4.9%5.2%
Works from home5.9%17.2%13.5%
Born outside the US1.3%16.3%13.9%
Median age42.439.338.7
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 stationQUANTICO MCAS, VA US10.7 km away
Rain in a year41 in
Snow in a year12 in

Average high and low by month

January44.8°F / 28.3°F2.66 in rain, 3.5 in snow
February48.3°F / 30.4°F2.36 in rain, 5.8 in snow
March56.3°F / 37.1°F3.58 in rain, 1.4 in snow
April67.8°F / 47.1°F3.16 in rain
May75.5°F / 56.8°F3.63 in rain
June83.7°F / 65.9°F3.53 in rain
July88°F / 70.7°F4.64 in rain
August86.1°F / 69°F4.24 in rain
September79.5°F / 62.1°F3.43 in rain
October68.8°F / 49.7°F3.33 in rain
November57.8°F / 39.3°F3.14 in rain
December48.6°F / 32.2°F3.33 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 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%.

Charles 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 vulnerability31more vulnerable than 31% of US census tracts
Socioeconomic status45more vulnerable than 45% of US census tracts
Household characteristics44more vulnerable than 44% of US census tracts
Racial and ethnic minority status57more vulnerable than 57% of US census tracts
Housing type and transport12more vulnerable than 12% of US census tracts
Walkability3.2 out of 20Least walkable
Nearby ZIP codes

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

20643 Ironsides, MD7.8 km away
20693 Welcome, MD9.3 km away
22135 Quantico, VA11.8 km away
20658 Marbury, MD13.4 km away
20677 Port Tobacco, MD14.8 km away
22134 Quantico, VA15.2 km away
22026 Dumfries, VA15.7 km away
22172 Triangle, VA15.9 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.

Charles County100% of this ZIP code's land area
Time zoneEastern (UTC-05:00 standard)
Daylight saving timeObserved
Land area56.41 sq mi
Water area9.66 sq mi
Population density41 people per sq mi
Latitude, longitude38.4462, -77.1983

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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