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, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Other race

Black or African American

White

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

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%
Native Hawaiian or Pacific Islander	0	0%

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