ZIP Code 20712 — Mount Rainier city, MD Demographics & Data

ZIP code 20712 covers Mount Rainier, MD in Prince George's County with a population of about 9,179.

At a glance, the area shows median age of 38.9 (near the U.S. median).

It sits in telephone area codes 227, 240, 301; U.S. House district MD-4; the WASHINGTON, DC (HAGRSTWN) media market.

Mount Rainier, MD sits in a university / college context (near the catholic university of america (1.9 mi)). Expect stronger interest in student housing, rentals, walkability, transit, and a younger adult age mix versus typical suburban ZIPs.

Median household income in ZIP 20712 is about $68,452 — about 9% below the U.S. median ($75,149).

On socioeconomic markers, US5 shows a poverty rate of 6.7%; unemployment rate near 6.0%; 33.5% of adults with a bachelor’s degree or higher (roughly in line with the national share (33.7%)).

Labor and commute patterns include leading industry context around Education, Construction, and Healthcare; about 15.7% of workers reporting work-from-home (roughly in line with the U.S. share (15.2%)); a mean commute of about 180.0 minutes (U.S. average near 26.8).

Median home value is about $531,100 — about 53% above the U.S. median home value ($348,079).

Housing tenure and rents show median gross rent around $1,363 (about 17% above the U.S. median rent ($1,163)), and owner-occupancy near 23.3% (about 42.1 points below the national owner-occupancy rate (65.4%)).

To comfortably buy a median-priced home in ZIP 20712 in Mount Rainier, MD, a household would need roughly $146,000 in annual income under a 20% down, 30-year loan at 6.8% (illustrative), keeping housing costs near 28% of income. Estimated monthly PITI is about $3,412. That is about 113% above the local median household income ($68,452), so the median earner would likely stretch or need a larger down payment. Rates, taxes, insurance, and HOA fees vary — treat this as a planning estimate, not a lender quote.

FEMA’s National Risk Index rates natural-hazard risk for Mount Rainier city, MD as Relatively Moderate (composite score 93.2), which is among the highest nationally. The strongest component scores on US5 are flood (94.6) and hurricane (92.2). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Climate normals for Mount Rainier city, MD show little to no average snow and around 45.6 inches of annual precipitation.

IRS migration statistics show a net inflow of about 539 for ZIP 20712 (Mount Rainier city, MD) on US5’s published series — a signal of people/tax filers moving in relative to those leaving. Inflows often track job growth, housing demand, or lifestyle migration; treat the figure as a directional indicator rather than a precise headcount.