Upper Marlboro Flag

Upper Marlboro

County Seat:
Yes
Area (mi²):
1.424
State:
Maryland

Upper Marlboro is a town located in Prince George's County, Maryland. Upper Marlboro has a 2026 population of 719. It is also the county seat of Prince George's County. Upper Marlboro is currently growing at a rate of 0.14% annually and its population has increased by 0.42% since the most recent census, which recorded a population of 716 in 2020.

The median household income in Upper Marlboro is $116,875 with a poverty rate of 3.66%. The median age in Upper Marlboro is 34.9 years: 34.4 years for males, and 38.7 years for females. For every 100 females there are 81.2 males.

719
Total Population
505
Density (mi²)
1 0.14%
Growth

Upper Marlboro Population

Upper Marlboro Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202671910.14%
202571800%
202471870.98%
202371130.42%
2022708-1-0.14%
2021709-7-0.98%
2020716-2-0.28%
201967500%
201867510.15%
201767410.15%
201667320.3%
201567160.9%
2014665-166-19.98%
2013831394.92%
201279214121.66%
2011651203.17%
2010686518.03%

Median Age

Overall: 34.9 years
Female: 38.7 years
Male: 34.4 years

Upper Marlboro Adults

There are 521 adults, (76 of whom are seniors) in Upper Marlboro.

Sex Ratio

Female: 377 (55.2%)
Male: 306 (44.8%)

Demographics

The racial composition of Upper Marlboro includes 70.72% Black or African American, 21.08% White, and smaller percentages for Native American, other race and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Black or African American48370.72%
White14421.08%
Two or more races487.03%
Native American40.59%
Other race40.59%
Race
Population ↓
Percentage (of total)
Two or more races233.37%
Race
Population ↓
Percentage (of total)
Black or African American48370.72%
White14421.08%
Two or more races253.66%
Native American40.59%
Other race40.59%

Upper Marlboro Marital Status

Economics and Income Statistics

Upper Marlboro 's average per capita income is $76,036. Household income levels show a median of $116,875. The poverty rate stands at 3.66%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median ↓
Mean
Married Families$150,776-
Families$133,750$144,701
Households$116,875$124,517
Non Families$93,125$105,084

$76,036

Average Income

$116,875

Median Household Income

3.66%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)