20603 ZIP Code — Waldorf, MD

Charles County, Maryland

ZIP code 20603 is located in Waldorf, Maryland, within Charles County. It covers approximately 16.20 square miles and serves a population of 32,495 residents. This is a standard ZIP code in the Eastern (ET) timezone, served by area code 240/301.

About ZIP code 20603

The housing stock consists of a mix of housing types. Most homes were built in the 1980s, giving the area an established character. Median home value is $407,700. Owner-occupancy is high at 79%, well above the national average.

Median household income is $132,753. The poverty rate of 6% is below the national average.

The dominant occupation class is management, business, and professional, with public administration as the leading industry. An above-average commute of 45 minutes suggests many residents work outside the immediate area.

Educational attainment is near the national average, with 37% of residents holding a bachelor's degree or higher.

Notable community characteristics include a notable veteran presence at 16% of civilians, above the national average of 7%.

Overall, ZIP code 20603 reflects a community defined by a strong veteran community and high homeownership.

32,495

population

16.20

sq mi land

Standard

ZIP type

Eastern (ET)

timezone

20603 ZIP code map

Cities in ZIP code 20603

Below are the cities the US Postal Service accepts for ZIP code 20603. Using any city not on this list may result in mail delivery delays.

City	Status
Waldorf	Acceptable
Waldorf	Preferred

Nearby ZIP codes

20607 Accokeek (2.7 mi) 20695 White Plains (2.9 mi) 20675 Pomfret (3.5 mi) 20602 Waldorf (5.1 mi) 20601 Waldorf (5.9 mi) 20616 Bryans Road (6.4 mi) 20646 La Plata (8 mi) 22308 Alexandria (8.6 mi) 20617 Bryantown (8.6 mi) 20735 Clinton (8.6 mi) 20744 Fort Washington (9 mi) 20613 Brandywine (9 mi)

Demographics updated 05/2026

Population
Total population	32,495
Population density	2,006 / sq mi
State FIPS	24
County FIPS	017

Geography
Land area	16.20 sq mi
Water area	0.09 sq mi
Latitude	38.6259
Longitude	-76.9783
Timezone	Eastern (ET)
Area code	240/301

Total population by age

Gender

Race & ethnicity

Economics updated 05/2026

Household income

Income range	This ZIP	County avg	State avg
Under $50k	13.7%	20.2%	28.2%
$50k – $100k	23.8%	28.0%	28.2%
$100k – $200k	45.0%	38.4%	30.1%
Over $200k	17.5%	13.4%	13.4%

Demographics & statistics

32,495

Population

2,006

People per sq mi

38.5

Median age

$132,753

Median household income

$52,052

Per capita income

$407,700

Median home value

$1,946

Median monthly rent

78.8%

Home ownership

6.0%

Poverty rate

4.3%

Unemployment

9,215

Housing units

36.7%

Bachelor's or higher

Age distribution

Male Female

732

Under 5

800

1,156

5–9

1,264

1,387

10–14

1,515

1,049

15–19

1,146

1,006

20–24

1,100

1,697

25–34

1,854

2,450

35–44

2,678

2,506

45–54

2,739

1,338

55–59

1,463

872

60–64

954

966

65–74

1,055

243

75–84

266

124

85+

135

← Male

Female →

Age summary

Group	Count	%
Under 18	8,286	25.5%
18 and over	24,209	74.5%
65 and over	2,789	8.6%
Median age	38.5 years

Race & ethnicity

Black or African American 58.2%

White 21.7%

Two or more races 7.5%

Asian 5.4%

Hispanic or Latino 4.8%

Other race 2.2%

American Indian / Alaska Native 0.3%

Group	Count	%
Black or African American	19,857	58.2%
White	7,389	21.7%
Two or more races	2,557	7.5%
Asian	1,836	5.4%
Hispanic or Latino	1,625	4.8%
Other race	748	2.2%
American Indian / Alaska Native	108	0.3%

Household income

Income range	This ZIP	County avg	State avg
Under $50k	13.7%	20.2%	28.2%
$50k – $100k	23.8%	28.0%	28.2%
$100k – $200k	45.0%	38.4%	30.1%
Over $200k	17.5%	13.4%	13.4%

Under $10k 2.7%

$10k–$15k 2.0%

$15k–$25k 4.2%

$25k–$35k 2.4%

$35k–$50k 4.3%

$50k–$75k 9.7%

$75k–$100k 10.3%

$100k–$150k 21.3%

$150k–$200k 18.4%

$200k+ 24.6%

Range	% of households
Under $10k	2.7%
$10k–$15k	2.0%
$15k–$25k	4.2%
$25k–$35k	2.4%
$35k–$50k	4.3%
$50k–$75k	9.7%
$75k–$100k	10.3%
$100k–$150k	21.3%
$150k–$200k	18.4%
$200k+	24.6%
Median income	$132,753

Housing

Home values

Under $50k 2.0%

$50k–$100k 0.1%

$150k–$200k 2.0%

$200k–$300k 14.1%

$300k–$500k 58.6%

$500k–$1M 22.7%

$1M+ 0.5%

Housing overview

Metric	Value
Median home value	$407,700
Median rent / month	$1,946
Owner occupied	78.8%
Renter occupied	21.2%
Vacant	3.3%
Single-family detached	68.2%
Large apartment buildings	4.4%
Mobile homes	0.1%
Median rooms	7.5
Avg household size (owned)	2.97

Year built

Era	%
2020 or later	0.8%
2010–2019	18.7%
2000–2009	20.5%
1990–1999	26.0%
1980–1989	26.6%
1970–1979	3.9%
1960–1969	0.9%
1950–1959	2.0%
1940–1949	0.3%
1939 or earlier	0.4%

Bedrooms

Size	% of units
No bedroom (studio)	0.3%
1 bedroom	6.3%
2 bedrooms	6.8%
3 bedrooms	33.4%
4 bedrooms	37.6%
5+ bedrooms	15.6%

Vehicles per household

Vehicles	% of households
No vehicle	2.4%
1 vehicle	25.7%
2 vehicles	40.3%
3 or more	31.6%

Heating fuel

Fuel type	%
Utility gas	43.5%
Electricity	50.7%
Propane / LP gas	0.9%
Fuel oil	3.5%
Wood	0.7%
Solar	0.3%
No fuel used	0.1%

Households & families

Household type	Count	%
Married-couple family	5,909	52.7%
Cohabiting couple	604	5.4%
Male householder, no spouse	1,219	10.9%
Female householder, no spouse	3,470	31.0%
Households with children under 18	4,388	39.2%
Households with seniors (65+)	2,123	19.0%
Average household size	2.90

Marital status

Status	Male	Female
Never married	36.7%	33.7%
Married	52.8%	45.5%
Separated	1.2%	0.8%
Widowed	1.0%	5.3%
Divorced	8.4%	14.7%

Education

Less than 9th grade 1.9%

Some HS, no diploma 2.9%

HS graduate 24.3%

Some college, no degree 23.4%

Associate's degree 10.9%

Bachelor's degree 19.6%

Graduate / professional 17.0%

Metric	%
HS diploma or higher	95.2%
Bachelor's or higher	36.7%

School enrollment (ages 3–17)

Type	Count	%
Nursery / preschool	347	3.6%
Kindergarten	318	3.3%
Elementary school	4,361	45.1%
High school	2,005	20.7%
College / grad school	2,638	27.3%

Employment

Industry of employment

Public administration 24.3%

Education & healthcare 19.7%

Professional & management 11.6%

Retail trade 9.8%

Arts, food & hospitality 8.4%

Transportation & utilities 6.4%

Other services 5.3%

Finance & real estate 4.8%

Construction 4.0%

Manufacturing 3.3%

Information 1.3%

Wholesale trade 1.2%

Occupation

Category	%
Management, business & arts	47.3%
Service	16.7%
Sales & office	18.5%
Natural resources & construction	8.0%
Production & transportation	9.6%

Employment type

Type	%
Private sector	56.7%
Government	39.3%
Self-employed	4.0%
Unpaid family workers	0.1%

Commute

Method	%
Drive alone	75.0%
Carpool	5.4%
Public transit	3.7%
Walk	1.5%
Work from home	13.4%
Other means	1.0%
Avg commute (minutes)	45.2

Poverty

All people 6.0%

Under 18 years 7.3%

18 and over 5.5%

Married-couple families 2.7%

Female-led households 8.3%

Income support

Source	% of households
Social Security	17.8%
Retirement income	28.2%
Supplemental Security	4.1%
Cash public assistance	1.6%
Food stamps / SNAP	6.8%

Health indicators

Condition	%
Obesity	39.6%
High blood pressure	33.4%
High cholesterol	29.2%
Diabetes	9.2%
Heart disease	3.4%
Stroke	2.1%
Asthma	10.3%
Arthritis	18.9%
Kidney disease	2.0%
Pulmonary disease	3.8%
Cancer	4.3%

Behavior / access	%
Smoking	14.7%
Binge drinking	14.1%
No physical activity	21.4%
Less than 7 hrs sleep	40.0%
Depression	15.9%
Fair or poor health	10.1%
Poor mental health	13.9%
Poor physical health	6.8%
No health insurance	9.9%
Visited doctor (checkup)	79.3%
Visited dentist	66.3%
Cholesterol screening	92.6%
Teeth loss	9.2%

Veterans & disability

Veterans	Count	%
Civilian veterans	3,871	16.2%

Disability	%
Any disability	6.9%
Under 18	5.1%
18–64 years	5.5%
65 and over	22.1%

Health insurance coverage

Type	%
Private insurance	86.8%
Public insurance	25.7%
No insurance	2.9%
Uninsured under 19	3.0%

Language & origin

Language spoken at home (age 5+)

Language	Count	%
English only	30,963	95.3%
Spanish	1,197	3.9%
Other Indo-European	447	1.4%
Asian & Pacific Islander	384	1.2%
Other languages	287	0.9%

Place of birth & citizenship

Origin	Count	%
Native born (US)	29,519	90.8%
Born in same state	28,404	87.4%
Born in different state	10,002	30.8%
Foreign born	1,115	3.4%
Naturalized citizen	2,976	9.2%
Not a US citizen	1,815	61.0%

Ancestry

Ancestry	Count	%
French	1,366	4.2%
Italian	881	2.7%
Arab	837	2.6%
Polish	108	0.3%

Ancestry	Count	%
Irish	103	0.3%
English	98	0.3%
Dutch	20	0.1%

Technology access

Metric	% of households
Computer access	34.5%
Internet access	96.5%

Source: U.S. Census Bureau, American Community Survey 2025 estimates.

Frequently asked questions about ZIP code 20603

What city is ZIP code 20603 in?

ZIP code 20603 is primarily assigned to Waldorf, Maryland.

What county is ZIP code 20603 in?

ZIP code 20603 falls within Charles County, Maryland.

Does ZIP code 20603 have a large veteran population?

16% of civilians in ZIP code 20603 are veterans, above the national average of ~7%.

What is the median household income in ZIP code 20603?

The median household income in ZIP code 20603 is $132,753, above the national median of ~$75,000.

What is the typical home value in ZIP code 20603?

The median home value in ZIP code 20603 is $407,700.

What is the population of ZIP code 20603?

ZIP code 20603 has an estimated population of 32,495 residents, with a density of 2,006 people per square mile.

What timezone is ZIP code 20603 in?

ZIP code 20603 observes the EST timezone.