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Zip Code 21875 — Delmar, MD

21875 is a ZIP Code associated with Delmar, MD, located within Wicomico. The postal region supports an estimated population of 7,646 residents across Data Pending housing units, with a population density of 121.2 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (38.440380, -75.545590)

Data MetricLocal Statistic
Postal / Zip Code21875
Primary CityDelmar
State / ProvinceMD
CountyWicomico
Total Population7,646
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density121.2 people/sq mi
TimezoneAmerica/New_York

How 21875 Compares

MetricZIP 21875Wicomico CountyMD State Average
Population7,646106,6886,205,597
Median IncomeData PendingN/AN/A
Population Density121.2 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 21801Salisbury6.6 mi30,088N/A
Zip 21849Parsonsburg6.7 mi3,388N/A
Zip 21804Salisbury8.5 mi40,430N/A
Zip 21826Fruitland9.3 mi5,451N/A
Zip 21850Pittsville9.6 mi3,850N/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 →