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ZIP Code Database - Facts & Stats

Data Last Updated: September 1, 2021

ZIP Codes for City of Delmar, MD

Delmar, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 21875StandardWicomico6,467443 / 410

Timezone(s):Eastern (GMT -05:00)
Population:3,003 (More Details)
Male Population:1,373
Female Population:1,630
Median Age:31
ZIP Codes:1
Area Codes:2
Total Area:400 square miles (county)
Land Area:374 square miles (county)
Water Area:26 square miles (county)

Delmar, MD Demographic Information *

Total population3,003
Male population1,373
Female population1,630
Median age (years)30.5
White Population2,049
Black Population640
Indian Population8
Asian Population165
Hawaiian Population0
Hispanic Population138
Median age (Male)30
Median age (Female)31.1
Total households1,162
Family households (families)742
Average household size2.58
Average family size3.11
Total housing units1,382
* Demographic data is based on 2010 Census.

Delmar, MD Other Information

76 Cities within 30 miles of Delmar, MD Products


  1. U.S. Postal Service [Last Updated: 9/1/2021],
  2. Internal Data Creation [Last Updated: 9/1/2021],
  3. U.S. Geological Survey [Updated as needed],
  4. U.S. Census [Updated Yearly],
  5. U.S. Census 2010 [Decennial] [Last Updated: 1/1/2010],