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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2021

ZIP Codes for City of Deal Island, MD

Deal Island, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 21821StandardSomerset991410 / 667

Timezone(s):Eastern (GMT -05:00)
Population:471 (More Details)
Male Population:246
Female Population:225
Median Age:53
ZIP Codes:1
Area Codes:2
Total Area:610 square miles (county)
Land Area:320 square miles (county)
Water Area:291 square miles (county)

Deal Island, MD Demographic Information *

Total population471
Male population246
Female population225
Median age (years)52.6
White Population440
Black Population22
Indian Population3
Asian Population0
Hawaiian Population0
Hispanic Population0
Median age (Male)51.3
Median age (Female)55.1
Total households203
Family households (families)137
Average household size2.32
Average family size2.79
Total housing units348
* Demographic data is based on 2010 Census.

Deal Island, MD Other Information

  • Located in SOMERSET County, Maryland
  • Deal Island, MD is also known as:
    • CHANCE, MD
    • WENONA, MD

101 Cities within 30 miles of Deal Island, MD Products


  1. U.S. Postal Service [Last Updated: 10/1/2021],
  2. Internal Data Creation [Last Updated: 10/1/2021],
  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],