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ZIP Code Database - Facts & Stats

Data Last Updated: December 1, 2022

ZIP Codes for City of Westernport, MD

Westernport, MD Covers 2 ZIP Codes

ZIP CodeTypeCountyPopulation
ZIP Code 21540StandardAllegany65
ZIP Code 21562StandardAllegany3,141

Timezone(s):Eastern (GMT -05:00)
Population:1,888 (More Details)
Male Population:919
Female Population:969
Median Age:44
ZIP Codes:2
Area Codes:2
Total Area:430 square miles (county)
Land Area:424 square miles (county)
Water Area:6 square miles (county)

Westernport, MD Demographic Information *

Total population1,888
Male population919
Female population969
Median age (years)44
White Population1,862
Black Population10
Indian Population0
Asian Population2
Hawaiian Population0
Hispanic Population8
Median age (Male)42.6
Median age (Female)45.5
Total households810
Family households (families)532
Average household size2.33
Average family size2.88
Total housing units1,006
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 12/1/2022],
  2. Internal Data Creation [Last Updated: 12/1/2022],
  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],