Mount Rainier Flag

Mount Rainier

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 2026 population of 8,248. Mount Rainier is currently declining at a rate of -0.12% annually and its population has decreased by -0.76% since the most recent census, which recorded a population of 8,311 in 2020.

The median household income in Mount Rainier is $68,505 with a poverty rate of 6.27%. The median age in Mount Rainier is 40.1 years: 41.5 years for males, and 36.7 years for females. For every 100 females there are 90.8 males.

8.2K
Total Population
12,947
Density (mi²)
-10 -0.12%
Growth

Mount Rainier Population

Mount Rainier Population

Data after 2023 is projected based on recent change

Year ↓
Population
Growth
Annual Change
20268,248-10-0.12%
20258,258-11-0.13%
20248,269720.88%
20238,197150.18%
20228,182-38-0.46%
20218,220-110-1.32%
20208,3111682.06%
20198,143-10-0.12%
20188,153-6-0.07%
20178,15940.05%
20168,155120.15%
20158,143510.63%
20148,092730.91%
20138,019580.73%
20127,961650.82%
20117,896610.78%
20107,835-245-3.03%
20008,4985446.84%
19907,9545938.06%
19807,361-819-10.01%
19708,180-1,675-17%
19609,855-1,134-10.32%
195010,9896,159127.52%
19404,83099826.04%
19303,83200%

Median Age

Overall: 40.1 years
Female: 36.7 years
Male: 41.5 years

Mount Rainier Adults

There are 6,328 adults, (1,281 of whom are seniors) in Mount Rainier.

Sex Ratio

Female: 4,321 (52.4%)
Male: 3,924 (47.6%)

Demographics

The racial composition of Mount Rainier includes 43.18% Black or African American, 23.32% other race, 20.25% White, and smaller percentages for Asian and multiracial populations.

Population by Race

Race
Population ↓
Percentage (of total)
Black or African American3,56043.18%
Other race1,92323.32%
White1,67020.25%
Two or more races99312.04%
Asian991.2%
Race
Population ↓
Percentage (of total)
Other race1,89422.97%
Two or more races8119.84%
White1561.89%
Race
Population ↓
Percentage (of total)
Black or African American3,56043.18%
White1,51418.36%
Two or more races1822.21%
Asian991.2%
Other race290.35%

Mount Rainier Marital Status

Economics and Income Statistics

Mount Rainier 's average per capita income is $48,101. Household income levels show a median of $68,505. The poverty rate stands at 6.27%.

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$91,440-
Families$80,000$110,903
Households$68,505$85,537
Non Families$55,753$60,896

$48,101

Average Income

$68,505

Median Household Income

6.27%

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)