Mount Rainier, Maryland

Mount Rainier population, 2020 to 2024

Mount Rainier lost 42 residents from July 2020 to July 2024, a change of -0.5%. In the latest year it moved by +72. Among 46 Maryland places of 5,000 or more, that growth ranks 43rd; the median place changed by +1.3%. The median place of 5,000+ in Maryland has 10,155 people, so Mount Rainier is 81% of it.

Mount Rainier covers 0.64 square miles of land, for 12,920 people per square mile of land. The median Maryland place of 5,000+ has 2,607, so Mount Rainier is denser than the typical town.

What county Mount Rainier is in

All of Mount Rainier's residents live in Prince George's County, which had 966,629 residents in 2024. Mount Rainier holds 0.9% of the county's population. The shaded shape is on the map above; dots mark the eight nearest places.

ZIP codes in Mount Rainier

1 ZIP Code Tabulation Area (ZCTA) overlaps Mount Rainier by at least 10% of the ZCTA's or the city's land: 20712. ZCTAs are Census approximations of USPS ZIP code delivery areas. The list comes from the 2020 ZCTA to place relationship file, so a city that annexed land after 2020 may reach into ZIP codes not listed here.

Where Mount Rainier is

The Census internal point of Mount Rainier is at 38.942400, -76.964600. Annapolis, the capital, is 25.6 miles E in a straight line. The nearest larger place is Hyattsville, MD (21,052 people), 1.4 miles away. The nearest city of 100,000 or more is Washington, DC, 3.9 miles away.

Daylight in Mount Rainier

At 38.94° N, Mount Rainier gets about 14 h 54 min of daylight around the June solstice and 9 h 26 min around the December solstice, a swing of 5 h 28 min. Figures are sunrise to sunset from the SunCalc model for June 21 and December 21, 2026.

Places near Mount Rainier

The eight nearest incorporated places of 1,000+ in Maryland, measured between internal points. The closest is Brentwood, 0.4 miles away, with 3,795 people.