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ZIP Code Database - Facts & Stats

Data Last Updated: October 1, 2022

ZIP Codes for City of Watertown, MA

Watertown, MA Covers 3 ZIP Codes

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 02471P.O. BoxMiddlesex0617 / 857
ZIP Code 02472StandardMiddlesex32,014617 / 857
ZIP Code 02477UniqueMiddlesex0617 / 857

Timezone(s):Eastern (GMT -05:00)
Population:32,014 (More Details)
Male Population:15,004
Female Population:17,010
Median Age:38
ZIP Codes:3
Area Codes:2
Total Area:847 square miles (county)
Land Area:818 square miles (county)
Water Area:29 square miles (county)

Watertown, MA Demographic Information *

There is no Census data for the city of WATERTOWN, MA. We have pulled information for the ZIP Code 02472 instead.
Total population32,014
Male population15,004
Female population17,010
Median age (years)38.3
White Population27,143
Black Population964
Indian Population40
Asian Population2,322
Hawaiian Population14
Hispanic Population1,694
Median age (Male)36.9
Median age (Female)39.7
Total households14,746
Family households (families)7,430
Average household size2.16
Average family size2.87
Total housing units15,622
* Demographic data is based on 2010 Census. Products


  1. U.S. Postal Service [Last Updated: 10/1/2022],
  2. Internal Data Creation [Last Updated: 10/1/2022],
  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],