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 8,269. Mount Rainier is currently growing at a rate of 0.88% annually but its population has decreased by -0.51% since the most recent census, which recorded a population of 8,311 in 2020.

8.3K
Total Population
12,980
Density (mi²)
72 0.88%
Growth

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)