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ZIP code 21821

Deal Island, MD · Somerset County

About ZIP code 21821

  • ZIP code 21821 is in Deal Island, Somerset County, Maryland.
  • About 797 people live in it, which is 20.9 people per square mile.
  • Time zone: Eastern Standard Time.
  • The middle of the ZIP code is at 38.167, -75.906.

A ZIP code is a mail delivery area, not a town border, and one ZIP code can cover parts of several towns. To check a single address, use the US Postal Service lookup.

Deal Island, MD

ZIP code 21821 is the post office name for Deal Island, MD. 341 people live in Deal Island. Typical household income is $22,404. A typical home costs $134,800.

  • Stronger than most towns on: Space and yard size, Pleasant weather for being outdoors and Weather.
  • Weaker than most towns on: Dining and entertainment, Jobs and income and Diversity & community.

See all figures for Deal Island

Nearby ZIP codes

ZIP code list from SimpleMaps US Zips. Population is a US Census Bureau estimate. These are estimates, so check official sources before you decide.