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ZIP Code Database - Facts & Stats

Data Last Updated: November 1, 2022

ZIP Codes for City of Williamsport, MD

Williamsport, MD Covers 1 ZIP Code

ZIP CodeTypeCountyPopulation
ZIP Code 21795StandardWashington9,233

Timezone(s):Eastern (GMT -05:00)
Population:2,137 (More Details)
Male Population:984
Female Population:1,153
Median Age:45
ZIP Codes:1
Area Codes:2
Total Area:467 square miles (county)
Land Area:458 square miles (county)
Water Area:10 square miles (county)

Williamsport, MD Demographic Information *

Total population2,137
Male population984
Female population1,153
Median age (years)44.9
White Population2,042
Black Population54
Indian Population3
Asian Population7
Hawaiian Population0
Hispanic Population23
Median age (Male)40.4
Median age (Female)48.7
Total households960
Family households (families)543
Average household size2.12
Average family size2.73
Total housing units1,080
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 11/1/2022],
  2. Internal Data Creation [Last Updated: 11/1/2022],
  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],