Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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zipcodes.pro — CITY/MD/DELMAR

Delmar ZIP code, Maryland

The ZIP code for Delmar, MD is 21875, and its area codes are 443, 667 and 410.

USPS city name
1 ZIP code
Population
4,261
Area codes
443, 667, 410

Delmar in numbers

About 4,261 people live in Delmar, in 1,802 households. The median household income is $85,174 a year, 18% below the Maryland median of $103,678 (US: $80,734). The median owner-occupied home is valued at $226,500 (46% below the Maryland median), and median gross rent is $1,607 a month. The median age is 32.5; 25.8% of adults 25 and over hold a bachelor's degree or higher (43.4% across Maryland); the average commute takes 25 minutes.

Population4,261Delmar4,261
Households1,802Delmar1,802
Median age32.5Delmar32.5Maryland39.4US 38.9
Median household income$85,174Delmar$85,174Maryland$103,678US $80,734
Median home value$226,500Delmar$226,500Maryland$419,900US $332,700
Median gross rent$1,607Delmar$1,607Maryland$1,705US $1,413
Bachelor's degree or higher25.8%Delmar25.8%Maryland43.4%US 35.7%
Mean commute25.0 minDelmar25.0 minMaryland31.1 minUS 26.4 min
Population density2,526 / sq miDelmar2,526 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Delmar town. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Delmar

ZIP codes with the USPS city name Delmar
ZIP City Type Population Median income Median home
21875 Delmar , MD Standard 7,646 $83,665 $234,500

Map of Delmar ZIP codes

21875

The ZIP codes of Delmar, MD, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Delmar

The nearest larger towns are Salisbury (33,285 people, 4.8 mi), Fruitland (5,801 people, 9.1 mi) and Seaford, DE (8,485 people, 15 mi).

Towns near Delmar
TownPopulationDistance
Salisbury 33,285 4.8 mi
Laurel, DE 4,152 9.0 mi
Fruitland 5,801 9.1 mi
Seaford, DE 8,485 15.1 mi
Millsboro, DE 7,424 16.9 mi
Princess Anne 3,569 18.0 mi
Selbyville, DE 3,097 19.2 mi
Georgetown, DE 7,660 19.5 mi
Bridgeville, DE 2,745 19.7 mi
Berlin 5,232 20.2 mi
Federalsburg 2,837 20.7 mi
Snow Hill 2,659 20.8 mi
Hurlock 2,819 20.9 mi
Ocean Pines 12,351 22.7 mi

More nearby: every ZIP code in Wicomico County · Maryland ZIP codes

Cite this page

zipcodes.pro. “Delmar, MD ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/md/delmar

Underlying data is public domain or openly licensed — sources, vintages and licences.