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ZIP Code Database - Facts & Stats

Data Last Updated: September 1, 2022

ZIP Codes for City of Dennis, MA

Dennis, MA Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 02638StandardBarnstable3,207508 / 774

Timezone(s):Eastern (GMT -05:00)
Population:2,407 (More Details)
Male Population:1,127
Female Population:1,280
Median Age:60
ZIP Codes:1
Area Codes:2
Total Area:1,306 square miles (county)
Land Area:394 square miles (county)
Water Area:912 square miles (county)

Dennis, MA Demographic Information *

Total population2,407
Male population1,127
Female population1,280
Median age (years)60.2
White Population2,332
Black Population14
Indian Population8
Asian Population8
Hawaiian Population6
Hispanic Population36
Median age (Male)58.9
Median age (Female)61.1
Total households1,200
Family households (families)734
Average household size2.01
Average family size2.5
Total housing units2,533
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 9/1/2022],
  2. Internal Data Creation [Last Updated: 9/1/2022],
  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],