Zip Code 20774 — Upper Marlboro, MD

20774 is a ZIP Code associated with Upper Marlboro, MD, located within Prince George's. The postal region supports an estimated population of 51,816 residents across Data Pending housing units, with a population density of 573.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.875890, -76.769250)

Data MetricLocal Statistic
Postal / Zip Code20774
Primary CityUpper Marlboro
State / ProvinceMD
CountyPrince George's
Total Population51,816
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density573.6 people/sq mi
TimezoneAmerica/New_York

How 20774 Compares

MetricZIP 20774Prince George's CountyMD State Average
Population51,816951,4976,205,597
Median IncomeData PendingN/AN/A
Population Density573.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 20721Bowie3.3 mi31,032N/A
Zip 20716Bowie4.6 mi22,362N/A
Zip 20747District Heights6.4 mi38,301N/A
Zip 20743Capitol Heights6.7 mi41,093N/A
Zip 20772Upper Marlboro6.7 mi54,319N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →