Adelphi

County:: Prince George's County
County Seat:: No
Area (mi²):: 2.72
State:: Maryland

Adelphi is a CDP located in Prince George's County, Maryland. Adelphi has a 2025 population of 17,408. Adelphi is currently growing at a rate of 0.89% annually and its population has increased by 6.38% since the most recent census, which recorded a population of 16,364 in 2020.

The average household income in Adelphi is $104,043 with a poverty rate of 17.17%.The median age in Adelphi is 32.9 years: 34.1 years for males, and 32.4 years for females.

Demographics

The racial composition of Adelphi includes 35.8% other race, 30.16% Black or African American, 14% White, 7.83% Asian, and smaller percentages for Native American and multiracial populations.

Population by Race

Race	Population	Percentage (of total)
Other race	6,161	35.8%
Black or African American	5,191	30.16%
White	2,409	14%
Two or more races	1,983	11.52%
Asian	1,348	7.83%
Native American	118	0.69%

Adelphi Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Adelphi's average per capita income is $39,711. Household income levels show a median of $80,833. The poverty rate stands at 17.17%.

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	$113,154	-
Families	$82,953	$107,912
Households	$80,833	$104,043
Non Families	$63,646	$79,465

$39,711

Average Income

$80,833

Median Household Income

17.17%

Poverty Rate