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Maryland ZIP Codes
Prince Georges County
Upper Marlboro, MD
20774
20774 ZIP Code — Upper Marlboro, MD
Prince Georges County, Maryland
ZIP code 20774 is located in
Upper Marlboro ,
Maryland ,
within Prince Georges County .
It covers approximately 34.88 square miles and serves a population of
51,010 residents.
This is a standard ZIP code in the Eastern (ET) timezone,
served by area code 301/240 .
About ZIP code 20774
The housing stock consists of a mix of housing types. Most homes were built in the 2000s, giving the area an established character. Median home value is $412,600. Owner-occupancy is high at 77%, well above the national average.
Median household income is $118,595. The poverty rate of 5% is below the national average.
The dominant occupation class is management, business, and professional, with education and healthcare as the leading industry. An above-average commute of 38 minutes suggests many residents work outside the immediate area.
Educational attainment is high — 46% of residents hold a bachelor's degree or higher, well above the national average of 33%.
20774 ZIP code map
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Cities in ZIP code 20774
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Nearby ZIP codes
Demographics
updated 05/2026
Population
Total population
51,010
Population density
1,462 / sq mi
State FIPS
24
County FIPS
033
Geography
Land area
34.88 sq mi
Water area
0.21 sq mi
Latitude
38.8922
Longitude
-76.7680
Timezone
Eastern (ET)
Area code
301/240
Economics
updated 05/2026
Household income
Income range
This ZIP
County avg
State avg
Under $50k
16.0%
25.4%
28.2%
$50k – $100k
26.4%
31.6%
28.2%
$100k – $200k
40.7%
32.0%
30.1%
Over $200k
16.9%
11.0%
13.4%
Demographics & statistics
$118,595
Median household income
$412,600
Median home value
$2,109
Median monthly rent
45.9%
Bachelor's or higher
Age distribution
Age summary
Group Count %
Under 18 10,066 19.7%
18 and over 40,944 80.3%
65 and over 8,032 15.7%
Median age 42.5 years
Race & ethnicity
Black or African American
83.5%
American Indian / Alaska Native
0.1%
Group Count %
Black or African American 44,145 83.5%
White 2,749 5.2%
Two or more races 2,209 4.2%
Hispanic or Latino 1,874 3.5%
Other race 999 1.9%
Asian 861 1.6%
American Indian / Alaska Native 47 0.1%
Household income
Income range
This ZIP
County avg
State avg
Under $50k
16.0%
25.4%
28.2%
$50k – $100k
26.4%
31.6%
28.2%
$100k – $200k
40.7%
32.0%
30.1%
Over $200k
16.9%
11.0%
13.4%
Range % of households
Under $10k 2.9%
$10k–$15k 1.6%
$15k–$25k 2.3%
$25k–$35k 2.9%
$35k–$50k 5.7%
$50k–$75k 9.8%
$75k–$100k 15.5%
$100k–$150k 23.4%
$150k–$200k 18.5%
$200k+ 17.6%
Median income $118,595
Housing
Housing overview
Metric Value
Median home value $412,600
Median rent / month $2,109
Owner occupied 76.5%
Renter occupied 23.5%
Vacant 3.5%
Single-family detached 48.5%
Large apartment buildings 10.0%
Mobile homes 0.1%
Median rooms 6.7
Avg household size (owned) 2.59
Year built
Era %
2020 or later 0.7%
2010–2019 12.3%
2000–2009 23.2%
1990–1999 17.2%
1980–1989 20.1%
1970–1979 17.3%
1960–1969 6.1%
1950–1959 1.5%
1940–1949 0.7%
1939 or earlier 1.0%
Bedrooms
Size % of units
No bedroom (studio) 1.7%
1 bedroom 7.7%
2 bedrooms 18.9%
3 bedrooms 28.7%
4 bedrooms 30.2%
5+ bedrooms 12.7%
Vehicles per household
Vehicles % of households
No vehicle 5.9%
1 vehicle 39.7%
2 vehicles 28.3%
3 or more 26.1%
Heating fuel
Fuel type %
Utility gas 47.9%
Electricity 45.6%
Propane / LP gas 1.0%
Fuel oil 4.1%
Wood 0.1%
Solar 0.4%
No fuel used 0.3%
Households & families
Household type Count %
Married-couple family 7,446 36.2%
Cohabiting couple 817 4.0%
Male householder, no spouse 3,428 16.6%
Female householder, no spouse 8,902 43.2%
Households with children under 18 6,232 30.3%
Households with seniors (65+) 6,193 30.1%
Average household size 2.47
Marital status
Status Male Female
Never married 41.0% 39.9%
Married 45.2% 33.6%
Separated 1.7% 2.5%
Widowed 2.8% 8.9%
Divorced 9.2% 15.1%
Education
Some college, no degree
24.3%
Graduate / professional
20.5%
Metric %
HS diploma or higher 95.6%
Bachelor's or higher 45.9%
School enrollment (ages 3–17)
Type Count %
Nursery / preschool 445 3.9%
Kindergarten 353 3.1%
Elementary school 4,589 40.3%
High school 2,423 21.3%
College / grad school 3,563 31.3%
Employment
Industry of employment
Education & healthcare
24.5%
Public administration
20.5%
Professional & management
18.4%
Finance & real estate
6.1%
Arts, food & hospitality
5.6%
Transportation & utilities
5.3%
Agriculture & mining
0.4%
Occupation
Category %
Management, business & arts 55.0%
Service 15.7%
Sales & office 17.7%
Natural resources & construction 5.4%
Production & transportation 6.3%
Employment type
Type %
Private sector 64.7%
Government 32.2%
Self-employed 3.1%
Unpaid family workers 0.1%
Commute
Method %
Drive alone 62.7%
Carpool 9.4%
Public transit 8.5%
Walk 0.7%
Work from home 17.0%
Other means 1.7%
Avg commute (minutes) 37.8
Poverty
Married-couple families
0.7%
Female-led households
8.5%
Income support
Source % of households
Social Security 27.3%
Retirement income 32.2%
Supplemental Security 3.6%
Cash public assistance 1.4%
Food stamps / SNAP 8.0%
Health indicators
Condition %
Obesity 37.6%
High blood pressure 38.8%
High cholesterol 31.2%
Diabetes 12.0%
Heart disease 4.0%
Stroke 2.9%
Asthma 10.1%
Arthritis 19.7%
Kidney disease 2.6%
Pulmonary disease 3.7%
Cancer 5.1%
Behavior / access %
Smoking 10.3%
Binge drinking 11.0%
No physical activity 20.0%
Less than 7 hrs sleep 41.4%
Depression 11.8%
Fair or poor health 11.5%
Poor mental health 12.3%
Poor physical health 7.2%
No health insurance 10.8%
Visited doctor (checkup) 80.2%
Visited dentist 63.9%
Cholesterol screening 94.8%
Teeth loss 7.9%
Veterans & disability
Veterans Count %
Civilian veterans 3,403 8.4%
Disability %
Any disability 11.4%
Under 18 3.7%
18–64 years 9.7%
65 and over 28.0%
Health insurance coverage
Type %
Private insurance 81.2%
Public insurance 31.5%
No insurance 3.5%
Uninsured under 19 4.0%
Language & origin
Language spoken at home (age 5+)
Language Count %
English only 48,523 95.1%
Spanish 1,376 2.8%
Other Indo-European 634 1.3%
Asian & Pacific Islander 355 0.7%
Other languages 160 0.3%
Place of birth & citizenship
Origin Count %
Native born (US) 43,161 84.6%
Born in same state 42,648 83.6%
Born in different state 12,650 24.8%
Foreign born 513 1.0%
Naturalized citizen 7,849 15.4%
Not a US citizen 5,288 67.4%
Ancestry
Ancestry Count %
Arab 1,647 3.2%
Italian 689 1.4%
French 403 0.8%
Ancestry Count %
English 40 0.1%
Polish 15 0%
Technology access
Metric % of households
Computer access 40.4%
Internet access 96.9%
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions about ZIP code 20774
What part of Upper Marlboro is ZIP code 20774?
ZIP code 20774 covers a portion of Upper Marlboro, Maryland, within Prince Georges County.
What county is ZIP code 20774 in?
ZIP code 20774 falls within Prince Georges County, Maryland.
How educated is the population of ZIP code 20774?
46% of residents hold a bachelor's degree or higher — well above the national average of ~33%, reflecting a highly educated population.
What is the typical home value in ZIP code 20774?
The median home value in ZIP code 20774 is $412,600.
What is the median household income in ZIP code 20774?
The median household income in ZIP code 20774 is $118,595, above the national median of ~$75,000.
What is the population of ZIP code 20774?
ZIP code 20774 has an estimated population of 51,010 residents, with a density of 1,463 people per square mile.
What timezone is ZIP code 20774 in?
ZIP code 20774 observes the EST timezone.
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