Mount Rainier is a city in Prince George's County, Maryland, home to about 8,245 people across 0.6 square miles. Its ZIP code is 20712.
Homes sold for a median of $298 per square foot in the three months ending August 2026, a balanced market.
Mostly Mount Rainier; also Chillum and Brentwood
Each card is that ZIP code’s whole market, including any part outside Mount Rainier. Seller’s market: under 4 months of supply; buyer’s market: over 6. Methodology
We’re writing up Mount Rainier’s story and what everyday life there is like, for people thinking about moving in.
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| Nearest major airport | Ronald Reagan Washington National Airport (DCA)7 miles away |
|---|---|
| Nearest city of 250,000+ | Washington, DC4 miles away |
| Nearest city of 1 million+ | Philadelphia, PA122 miles away |
Straight-line distances from the center of Mount Rainier; driving is longer.
Source: Airports from OurAirports (scheduled passenger service); city centers and populations from the U.S. Census Bureau.
Source: Members of Congress from the congress-legislators project; districts from the Census Bureau’s relationship files; governor and mayor from Wikidata.
Mount Rainier had 8,333 residents in the 2020 census, down 2% since 2000.
It’s the 158th largest of 527 towns in Maryland by population.
Prince George's County grew from 29,898 residents in 1900 to 967,201 in 2020.
Prince George's County, 1900–2020
Source: U.S. Census Bureau decennial censuses (counties 1900–1990 from the Bureau’s historical county file).
Average highs peak around 90°F in summer, and winter lows average 28°F. About 45.6 inches of rain and melted snow fall in a typical year, with about 10 inches of snow.
Source: NOAA 1991–2020 climate normals, Natl Arboretum Dc, MD weather station (2 miles away).
276,055 jobs at 16,350 businesses in Prince George's County. The biggest industries by employees:
Source: U.S. Census Bureau County Business Patterns 2023 (private employers; jobs counted where people work).
19 doctors and other health care providers list an office in Mount Rainier.
Nearest hospitals
Providers with an office here
| Primary care doctors | 1 |
|---|---|
| Specialist doctors | 4 |
| Dentists | 1 |
| Nurse practitioners and physician assistants | 3 |
| Mental health providers | 9 |
| Physical and occupational therapists | 1 |
Source: Hospitals from CMS Hospital General Information (ratings are CMS overall star ratings); straight-line distances; providers from the CMS National Plan and Provider Enumeration System (NPPES), by practice address and primary specialty.
Parks (20 nearby)
Grocery stores (4 nearby)
Pharmacies (1 nearby)
Libraries (1 nearby)
Museums (1 nearby)
Theaters and performance venues
Counts are within about 1 mile of the center of town.
Source: Map data © OpenStreetMap contributors (openstreetmap.org/copyright), as mapped by volunteers; it can miss places or include closed ones.
Established in 1910.
Source: Wikidata (wikidata.org), the free knowledge base; people are listed by place of birth.
Public schools here are run by Prince George's County Public Schools. Check each district’s attendance zones for a specific address.
| School | Grades | Students | Type | Distance |
|---|---|---|---|---|
| Mt Rainier ElementaryMt Rainier | Pre-K–5 | 311 | Public | 0.3 mi |
| Thomas S. Stone ElementaryMt Rainier | Pre-K–5 | 580 | Public | 0.2 mi |
Source: U.S. Department of Education, NCES: Common Core of Data (2024-2025) for public schools. Listed by address; we don’t rate schools.
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Shares ZIP codes with Chillum and Brentwood.
Town boundaries don’t always match ZIP codes: a ZIP code can cross into neighboring towns, and a town can share a ZIP code with its neighbors. Facts describe the town itself; market figures describe whole ZIP codes.