Mount Rainier

County:: Prince George's County
County Seat:: No
Area (mi²):: 0.637
State:: Maryland

Mount Rainier is a city located in Prince George's County, Maryland. Mount Rainier has a 2025 population of 7,988. Mount Rainier is currently declining at a rate of -0.81% annually and its population has decreased by -3.93% since the most recent census, which recorded a population of 8,315 in 2020.

The average household income in Mount Rainier is $83,842 with a poverty rate of 6.65%. The median age in Mount Rainier is 40 years: 40.7 years for males, and 36.7 years for females.

Demographics

The racial composition of Mount Rainier includes 45.4% Black or African American, 26.33% other race, 19.23% White, and smaller percentages for Asian, Native American, Native Hawaiian or Pacific Islander and multiracial populations.

Population by Race

Black or African American

Other race

White

Two or more races

Asian

Native American

Native Hawaiian or Pacific Islander

Race	Population	Percentage (of total)
Black or African American	3,739	45.4%
Other race	2,168	26.33%
White	1,584	19.23%
Two or more races	652	7.92%
Asian	92	1.12%
Native American	0	0%
Native Hawaiian or Pacific Islander	0	0%

Mount Rainier Marital Status

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Mount Rainier's average per capita income is $44,624. Household income levels show a median of $68,281. The poverty rate stands at 6.65%.

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	$89,304	-
Families	$77,437	$104,919
Households	$68,281	$83,842
Non Families	$53,850	$58,357

$44,624

Average Income

$68,281

Median Household Income

6.65%

Poverty Rate