Adelphi Flag

Adelphi

County Seat:
No
Area (mi²):
2.72
State:
Maryland

Adelphi is a CDP located in Prince George's County, Maryland. Adelphi has a 2026 population of 17,700. Adelphi is currently growing at a rate of 0.93% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.

The median household income in Adelphi is $82,137 with a poverty rate of 16.22%. The median age in Adelphi is 33.9 years: 34.1 years for males, and 33.7 years for females. For every 100 females there are 101.1 males.

17.7K
Total Population
6,506
Density (mi²)
163 0.93%
Growth

Adelphi Population

Adelphi Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
202617,7001630.93%
202517,5371640.94%

Median Age

Overall: 33.9 years
Female: 33.7 years
Male: 34.1 years

Adelphi Adults

There are 13,275 adults, (1,832 of whom are seniors) in Adelphi.

Sex Ratio

Female: 8,651 (49.7%)
Male: 8,744 (50.3%)

Demographics

The racial composition of Adelphi includes 34.99% other race, 24.79% Black or African American, 12.03% White, 9.96% Asian, and smaller percentages for Native American and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Other race6,08734.99%
Black or African American4,31324.79%
Two or more races3,03817.46%
White2,09212.03%
Asian1,7329.96%
Native American1330.76%
Race
Population ↓
Percentage (of total)
Other race6,08734.99%
Two or more races2,82716.25%
White4072.34%
Native American1330.76%
Black or African American690.4%
Race
Population ↓
Percentage (of total)
Black or African American4,24424.4%
Asian1,7329.96%
White1,6859.69%
Two or more races2111.21%

Adelphi Marital Status

Economics and Income Statistics

Adelphi 's average per capita income is $41,577. Household income levels show a median of $82,137. The poverty rate stands at 16.22%.

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$103,866-
Families$85,920$124,005
Households$82,137$117,389
Non Families$64,286$84,373

$41,577

Average Income

$82,137

Median Household Income

16.22%

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)