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Zip Code 21856 — Quantico, MD

21856 is a ZIP Code associated with Quantico, MD, located within Wicomico. The postal region supports an estimated population of 1,037 residents across Data Pending housing units, with a population density of 12.0 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.338070, -75.792240)

Data MetricLocal Statistic
Postal / Zip Code21856
Primary CityQuantico
State / ProvinceMD
CountyWicomico
Total Population1,037
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density12.0 people/sq mi
TimezoneAmerica/New_York

How 21856 Compares

MetricZIP 21856Wicomico CountyMD State Average
Population1,037106,6886,205,597
Median IncomeData PendingN/AN/A
Population Density12.0 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 21865Tyaskin4.2 mi320N/A
Zip 21830Hebron5.6 mi5,200N/A
Zip 21814Bivalve6.0 mi217N/A
Zip 21810Allen6.5 mi55N/A
Zip 21840Nanticoke7.8 mi576N/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 →