ZIP code · Upper Marlboro · Maryland · United States

ZIP code 20772 — Upper Marlboro

ZIP code 20772 serves Upper Marlboro, Maryland.

Postal code
20772
Single source Value from one source, not cross-checked.
City
Upper Marlboro
County
Prince George's FIPS 24033
State
Maryland
Country
United States
Coordinates
38.8377, -76.7980 — precision precise (locality)
View on OpenStreetMap
Population
52,768 (ZCTA, ACS 5-year)
Population density
728 / sq mi
Land area
72.5 sq mi (187.7 km²) (ZCTA, ACS 5-year)
Median household income
$135,576
Per-capita income
$58,867
Median age
42
Households
18,911
Housing units
19,658
Median home value
$443,500
Median gross rent
$2,045 / month
Congressional district
MD-5 (119th Congress)
USDA hardiness zone
7b (5 to 10 °F)
Planting / growing zone from the 2023 USDA Plant Hardiness Zone Map: average annual extreme minimum temperature, 1991–2020.
Time zone
America/New_York (UTC−5 / UTC−4 DST)
Area codes
240, 301 (from the nearest rate centre)
Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.

Climate — monthly normals

Warmest month Jul (avg high 88°F), coldest Jan (avg low 25°F).

JanFebMarAprMayJunJulAugSepOctNovDec
Avg high °F444755677584888680695848
Avg low °F252633445463676558463629
Precip in3.02.73.93.44.14.24.24.14.54.13.33.5

NOAA 1991–2020 climate normals from the nearest station: UPPER MARLBORO 3 NNW (1.9 mi) · NOAA NCEI

Places in ZIP 20772

Places mapped inside this ZIP’s ZCTA area in OpenStreetMap. OSM is community-maintained: counts reflect what has been mapped, and completeness varies by area — treat them as at-least figures. © OpenStreetMap contributors (ODbL) · Methodology

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames · U.S. Census Bureau (ACS) · U.S. Census Bureau · NOAA NCEI · usda-phzm. Data generated on 2026-08-21. Methodology · Report an error on this page