Postal Codes

20664 ZIP Code

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ZIP code 20664 covers Newburg, Maryland, with a population of about 3,121 and a median household income of $82,083.

Population
3,12176 per square mile
Median age
37.80.9 points below the US average
Median household income
$82,08319% below the Maryland median
Poverty rate
12.6%about the US average
Typical home value
$428,195up 11.7% in five years
Median rent
$1,660about the Maryland median
Degree or higher
21.3%13.7 points below the US average
Homeownership
76.7%11.7 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
47

Where 20664 is

Newburg, 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

Population3,121
Median age37.8
Family households76.7%
Born outside the US5%
Speaks a language other than English at home6.9%
White (non-Hispanic)67.4%
Black (non-Hispanic)14.4%
Asian (non-Hispanic)1%
Hispanic or Latino14.5%
Veterans6.8%
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$82,083
Income per person$46,043
Poverty rate12.6%
Households on SNAP or cash assistance9.7%

Household income distribution

Under $10k10.4%
$10–15k1.9%
$15–20k1.4%
$20–25k0.7%
$25–30k1.4%
$30–35k2.9%
$35–40k4.6%
$40–45k1.1%
$45–50k0.8%
$50–60k6.6%
$60–75k12.9%
$75–100k8.8%
$100–125k11.4%
$125–150k7.0%
$150–200k15.7%
$200k or more12.5%

Income as declared to the IRS

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

Tax returns filed1,490
Mean adjusted gross income$88,971
Returns declaring $200,000 or more6%
Returns, under $25k22.1%
Returns, $25k–$50k22.1%
Returns, $50k–$75k15.4%
Returns, $75k–$100k12.1%
Returns, $100k–$200k22.1%
Returns, $200k or more6.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$433,100
Median gross rent$1,660
Rent as a share of household income38.8%
Owner-occupied76.7%
Vacant homes22.7%
Median year built1975

What the homes are

Detached house96.9%
Attached house1.2%
Mobile home2%
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$428,195as of 2026-07
Typical home value, 1 yearup 0.6%
Typical home value, 5 yearsup 11.7%
Typical home value, 10 yearsup 48.7%
Typical home value since 2000
200020132026$428,195$162,542

$162,542 in 2000 to $428,195 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.1%
Bachelor's degree or higher21.3%
High school diploma or higher94.4%
Works from home8.4%
Drives to work alone79.2%
Takes public transport1.8%
Commutes 45 minutes or more47.2%
Health

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

Obesity39.7% 6.3 pts above the national average of 33.4%
Diagnosed diabetes13.6% 1.6 pts above the national average of 12%
Currently smokes13.7% 0.5 pts above the national average of 13.2%
High blood pressure41.6% 7.5 pts above the national average of 34.1%
Fair or poor general health18.4% 1.9 pts below the national average of 20.3%
No health insurance (18–64)7.5% 3.8 pts below the national average of 11.3%
Depression20.3% 1.6 pts below the national average of 21.9%
No leisure-time physical activity24.2% 1.2 pts below the national average of 25.4%
Arthritis29.4% 4.3 pts above the national average of 25.1%
Binge drinking14.5% 1.5 pts below the national average of 16%
Taking blood pressure medication78.5% 3.8 pts above the national average of 74.7%
Cancer (non-skin)8.9% 1.2 pts above the national average of 7.7%
Current asthma10.4% same as the national average of 10.4%
Coronary heart disease6.7% 0.5 pts above the national average of 6.2%
Routine check-up in past year79.6% 2.9 pts above the national average of 76.7%
Cholesterol screening89.5% 3.6 pts above the national average of 85.9%
Cognitive disability13.2% 1.6 pts below the national average of 14.8%
Colorectal screening68.6% 4.3 pts above the national average of 64.3%
COPD7.4% 0.8 pts above the national average of 6.6%
Visited a dentist64.1% 2.8 pts above the national average of 61.3%
Any disability28.7% 2 pts below the national average of 30.7%
Lacks emotional support24.4% same as the national average of 24.8%
Food insecurity13.9% 3.2 pts below the national average of 17.1%
Received food stamps10.7% 3.6 pts below the national average of 14.3%
Hearing disability7% same as the national average of 6.7%
High cholesterol40% 3.8 pts above the national average of 36.2%
Housing insecurity11.6% 2.2 pts below the national average of 13.8%
Independent living disability7.5% 0.9 pts below the national average of 8.4%
Lacks transport7.3% 1.9 pts below the national average of 9.2%
Loneliness33.6% 0.8 pts below the national average of 34.4%
Mammography use79.2% 3.3 pts above the national average of 75.9%
Poor mental health (14+ days)16.7% same as the national average of 16.8%
Mobility disability13.7% same as the national average of 14%
Poor physical health (14+ days)13.5% same as the national average of 13.5%
Self-care disability3.7% same as the national average of 4%
Utility shut-off threat7.7% 1.1 pts below the national average of 8.8%
Sleeps under 7 hours36.5% same as the national average of 36.4%
Stroke3.8% same as the national average of 3.4%
All natural teeth lost11.1% 1.9 pts below the national average of 13%
Vision disability4.7% 0.9 pts below the national average of 5.6%
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Business and employment

Census ZIP Code Business Patterns 2022

Business establishments47
People employed303
Annual payroll$27,150,000
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 39.3% of US census tracts
FEMA ratingVery Low to Relatively Low across the 2 census tracts this ZIP code covers
Expected annual loss35.6 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.

Drought97.5Relatively High at its worst in this ZIP code
Coastal flooding95.4Relatively High at its worst in this ZIP code
Landslide85.5Relatively Low at its worst in this ZIP code
Strong wind83.1Relatively High at its worst in this ZIP code
Hurricane77.7Relatively Low at its worst in this ZIP code
Lightning76.3Relatively Moderate at its worst in this ZIP code
Winter weather71.7Relatively Moderate at its worst in this ZIP code
Heat wave67.5Relatively Moderate at its worst in this ZIP code
Wildfire65.6Very Low at its worst in this ZIP code
Hail58.5Relatively Low at its worst in this ZIP code
Earthquake52.2Relatively Low at its worst in this ZIP code
Ice storm41.3Relatively Low at its worst in this ZIP code
Tornado35.2Relatively Low at its worst in this ZIP code
River flooding26.1Relatively Low at its worst in this ZIP code
Cold wave25.4Relatively 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$82,083$101,652$78,538
Income per person$46,043$51,689$43,289
Poverty rate12.6%9.3%12.4%
Median home value$433,100$397,700$303,400
Median gross rent$1,660$1,662$1,348
Homeownership76.7%67.5%65%
Bachelor's degree or higher21.3%42.7%35%
Unemployment rate4.1%4.9%5.2%
Works from home8.4%17.2%13.5%
Born outside the US5%16.3%13.9%
Median age37.839.338.7
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 stationMECHANICSVILLE 5 NE, MD US24.6 km away
Rain in a year48 in
Snow in a year15 in

Average high and low by month

January44.2°F / 24.8°F3.29 in rain, 5 in snow
February47.6°F / 26.2°F2.97 in rain, 6.2 in snow
March55.9°F / 32.6°F4.24 in rain, 1.8 in snow
April67.3°F / 42.5°F3.31 in rain, 0.1 in snow
May73.7°F / 52°F4.32 in rain
June81.5°F / 60.9°F4.19 in rain
July85.3°F / 65.9°F4.57 in rain
August83.3°F / 64.2°F4.84 in rain
September76.7°F / 57.7°F4.87 in rain
October66.1°F / 45.7°F4.18 in rain
November57.3°F / 35.5°F3.34 in rain
December48.1°F / 28.6°F3.99 in rain, 2 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 vulnerability19more vulnerable than 19% of US census tracts
Socioeconomic status22more vulnerable than 22% of US census tracts
Household characteristics43more vulnerable than 43% of US census tracts
Racial and ethnic minority status43more vulnerable than 43% of US census tracts
Housing type and transport16more vulnerable than 16% of US census tracts
Walkability5 out of 20Least walkable
Nearby ZIP codes

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

20661 Mount Victoria, MD3.3 km away
20645 Issue, MD4.3 km away
20682 Rock Point, MD7.9 km away
20625 Cobb Island, MD9.6 km away
22448 Dahlgren, VA11 km away
20621 Chaptico, MD11.9 km away
20618 Bushwood, MD12 km away
20632 Faulkner, MD13 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 area40.87 sq mi
Water area11.67 sq mi
Population density76 people per sq mi
Latitude, longitude38.3298, -76.9175

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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