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. For every 100 females there are 106.5 males.
Data after 2023 is projected based on recent change
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.
Other race (35.8%)
Black or African American (30.16%)
White (14%)
Two or more races (11.52%)
Asian (7.83%)
Native American (0.69%)
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% |
Married
Widowed
Divorced
Separated
Never Married
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%.
Name | Median | Mean |
|---|---|---|
| Married Families | $113,154 | - |
| Families | $82,953 | $107,912 |
| Households | $80,833 | $104,043 |
| Non Families | $63,646 | $79,465 |
Average Income
Median Household Income
Poverty Rate