Postal Codes

20603 ZIP Code

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ZIP code 20603 covers Waldorf, Maryland, with a population of about 32,649 and a median household income of $137,138.

Population
32,6492,016 per square mile
Median age
38.8about the US average
Median household income
$137,1381.3× the Maryland median
Poverty rate
5.2%7.2 points below the US average
Typical home value
$483,817up 10.6% in five years
Median rent
$2,0211.2× the Maryland median
Degree or higher
37.1%2.1 points above the US average
Homeownership
82.1%17.1 points above the US average
Time zone
Eastern UTC-05:00observes daylight saving time
Businesses
452

Where 20603 is

Waldorf, 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

Population32,649
Median age38.8
Family households73.1%
Born outside the US10.3%
Speaks a language other than English at home14.2%
White (non-Hispanic)18.2%
Black (non-Hispanic)60.4%
Asian (non-Hispanic)5.8%
Hispanic or Latino9.5%
Veterans16.2%
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$137,138
Income per person$58,100
Poverty rate5.2%
Households on SNAP or cash assistance7.8%

Household income distribution

Under $10k2.0%
$10–15k1.8%
$15–20k1.8%
$20–25k1.4%
$25–30k1.7%
$30–35k1.2%
$35–40k0.3%
$40–45k1.1%
$45–50k2.6%
$50–60k4.4%
$60–75k3.9%
$75–100k11.0%
$100–125k12.4%
$125–150k9.4%
$150–200k18.1%
$200k or more26.9%

Income as declared to the IRS

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

Tax returns filed16,670
Mean adjusted gross income$87,724
Returns declaring $200,000 or more8%
Returns, under $25k20.7%
Returns, $25k–$50k17.8%
Returns, $50k–$75k14.5%
Returns, $75k–$100k12.7%
Returns, $100k–$200k26.3%
Returns, $200k or more8.0%
Housing

American Community Survey 2019–2023 five-year estimates

Median home value$430,700
Median gross rent$2,021
Rent as a share of household income28.5%
Owner-occupied82.1%
Vacant homes3.1%
Median year built1996

What the homes are

Detached house67.2%
Attached house22.4%
2 to 4 units1.9%
5 to 19 units4.1%
20 or more units4.3%
Mobile home0.1%
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$483,817as of 2026-07
Typical home value, 1 yeardown 1.7%
Typical home value, 5 yearsup 10.6%
Typical home value, 10 yearsup 54.8%
Typical asking rent$2,419as of 2026-07
Typical home value since 2000
200020132026$492,138$193,544

$193,544 in 2000 to $483,817 in 2026.

Work, commuting and education

American Community Survey 2019–2023 five-year estimates

Unemployment rate4.7%
Bachelor's degree or higher37.1%
High school diploma or higher95.3%
Works from home15.8%
Drives to work alone72.9%
Takes public transport3.5%
Commutes 45 minutes or more50.2%
Health

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

Obesity42.7% 9.3 pts above the national average of 33.4%
Diagnosed diabetes13% 1 pts above the national average of 12%
Currently smokes11.3% 1.9 pts below the national average of 13.2%
High blood pressure40.1% 6 pts above the national average of 34.1%
Fair or poor general health17.1% 3.2 pts below the national average of 20.3%
No health insurance (18–64)7.1% 4.2 pts below the national average of 11.3%
Depression17.3% 4.6 pts below the national average of 21.9%
No leisure-time physical activity22.8% 2.6 pts below the national average of 25.4%
Arthritis23.6% 1.5 pts below the national average of 25.1%
Binge drinking13.3% 2.7 pts below the national average of 16%
Taking blood pressure medication75.8% 1.1 pts above the national average of 74.7%
Cancer (non-skin)5.4% 2.3 pts below the national average of 7.7%
Current asthma11.1% 0.7 pts above the national average of 10.4%
Coronary heart disease4.4% 1.8 pts below the national average of 6.2%
Routine check-up in past year81.1% 4.4 pts above the national average of 76.7%
Cholesterol screening90.2% 4.3 pts above the national average of 85.9%
Cognitive disability12.2% 2.6 pts below the national average of 14.8%
Colorectal screening65.8% 1.5 pts above the national average of 64.3%
COPD4.9% 1.7 pts below the national average of 6.6%
Visited a dentist62.7% 1.4 pts above the national average of 61.3%
Any disability24.7% 6 pts below the national average of 30.7%
Lacks emotional support28% 3.2 pts above the national average of 24.8%
Food insecurity17.7% 0.6 pts above the national average of 17.1%
Received food stamps13.7% 0.6 pts below the national average of 14.3%
Hearing disability4% 2.7 pts below the national average of 6.7%
High cholesterol34.7% 1.5 pts below the national average of 36.2%
Housing insecurity16.4% 2.6 pts above the national average of 13.8%
Independent living disability7% 1.4 pts below the national average of 8.4%
Lacks transport9.2% same as the national average of 9.2%
Loneliness36.1% 1.7 pts above the national average of 34.4%
Mammography use81.4% 5.5 pts above the national average of 75.9%
Poor mental health (14+ days)16.4% same as the national average of 16.8%
Mobility disability11.5% 2.5 pts below the national average of 14%
Poor physical health (14+ days)11.3% 2.2 pts below the national average of 13.5%
Self-care disability3.6% same as the national average of 4%
Utility shut-off threat11.1% 2.3 pts above the national average of 8.8%
Sleeps under 7 hours42.3% 5.9 pts above the national average of 36.4%
Stroke3.1% same as the national average of 3.4%
All natural teeth lost9.2% 3.8 pts below 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 establishments452
People employed6,561
Annual payroll$191,894,000
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 19.5% of US census tracts
FEMA ratingVery Low to Relatively Low across the 8 census tracts this ZIP code covers
Expected annual loss35.2 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.

Strong wind80.8Relatively High at its worst in this ZIP code
Lightning77.2Relatively High at its worst in this ZIP code
Hurricane73.6Relatively Moderate at its worst in this ZIP code
Winter weather72Relatively Moderate at its worst in this ZIP code
Heat wave68.1Relatively Moderate at its worst in this ZIP code
Landslide60.5Very Low at its worst in this ZIP code
Hail56.3Relatively Low at its worst in this ZIP code
Drought49.2Relatively Low at its worst in this ZIP code
Wildfire45.5Very Low at its worst in this ZIP code
Earthquake45.1Relatively Low at its worst in this ZIP code
Tornado34Relatively Low at its worst in this ZIP code
Ice storm32.6Relatively Low at its worst in this ZIP code
River flooding31.4Relatively Low at its worst in this ZIP code
Cold wave23.3Relatively 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$137,138$101,652$78,538
Income per person$58,100$51,689$43,289
Poverty rate5.2%9.3%12.4%
Median home value$430,700$397,700$303,400
Median gross rent$2,021$1,662$1,348
Homeownership82.1%67.5%65%
Bachelor's degree or higher37.1%42.7%35%
Unemployment rate4.7%4.9%5.2%
Works from home15.8%17.2%13.5%
Born outside the US10.3%16.3%13.9%
Median age38.839.338.7
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 stationOXON HILL, MD US18.5 km away
Rain in a year47 in

Average high and low by month

January43.7°F / 27.4°F3.08 in rain
February47.5°F / 28.3°F2.89 in rain
March55.8°F / 35°F4.04 in rain
April67.4°F / 44.7°F3.38 in rain
May75.7°F / 54.7°F4.45 in rain
June84.4°F / 63.8°F4.85 in rain
July88°F / 68.8°F4.96 in rain
August86.5°F / 67.3°F4.16 in rain
September80.1°F / 60.5°F4.37 in rain
October68.3°F / 48.2°F3.75 in rain
November57.2°F / 38.5°F3.13 in rain
December47.8°F / 31.3°F3.75 in rain
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 supermarket93% 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%.

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 vulnerability16more vulnerable than 16% of US census tracts
Socioeconomic status26more vulnerable than 26% of US census tracts
Household characteristics25more vulnerable than 25% of US census tracts
Racial and ethnic minority status83more vulnerable than 83% of US census tracts
Housing type and transport8more vulnerable than 8% of US census tracts
Walkability6.1 out of 20Below average
Nearby ZIP codes

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

20695 White Plains, MD3.7 km away
20675 Pomfret, MD5.6 km away
20607 Accokeek, MD5.8 km away
20601 Waldorf, MD8.7 km away
20616 Bryans Road, MD8.8 km away
20602 Waldorf, MD8.8 km away
20646 La Plata, MD11.6 km away
20604 Waldorf, MD13.3 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 area16.2 sq mi
Water area0.08 sq mi
Population density2,016 people per sq mi
Latitude, longitude38.6294, -76.9769

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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