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Zip Code 20774 — Upper Marlboro, MD

ZIP Code 20774 is associated with Upper Marlboro, MD, in Prince George's County. The listed population estimate is 51,816; estimated density is 573.6 people per square mile. Among records with population estimates, it ranks #3 of 35 in Prince George's County and #15 of 470 in MD.
Page generated: 2026-10-08. This is not the source data release date.

📍 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
Population Density573.6 people/sq mi
TimezoneAmerica/New_York

How 20774 Compares

MetricZIP 20774Prince George's County recordsMD records
Population estimate51,816951,497 (sum)6,205,597 (sum)
Population Density573.6 /sq mi----
County population rank#3 of 35----
State population rank#15 of 470----

Regional sums combine the population estimates in the listed ZIP records; they are not official county or state population totals.

Explore More ZIP Codes

Nearby ZIP Codes in MD

ZIP CodeCityDistancePopulation estimate
ZIP 20721Bowie3.3 mi31,032
ZIP 20716Bowie4.6 mi22,362
ZIP 20747District Heights6.4 mi38,301
ZIP 20743Capitol Heights6.7 mi41,093
ZIP 20772Upper Marlboro6.7 mi54,319

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 →