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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Jefferson, MA

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Area Code(s):774, 508
Timezone(s):Eastern (GMT -05:00)
City Population:3,310 (More Details)
CBSA:Worcester, MA-CT
Congressional District(s):02
Land Area:1,511 square miles (county)
Water Area:68 square miles (county)

1 ZIP Code

Jefferson, MA ZIP Code Boundaries

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Jefferson, MA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Jefferson, MA Demographic Information *

There is no Census data for the city of JEFFERSON, MA. We have pulled information for the ZIP Code 01522 instead.
Total population**3,310
Male population1,650
Female population1,660
Median age (years)41.1
White Population3,144
Black Population21
Indian Population0
Asian Population79
Hawaiian Population0
Hispanic Population64
Median age (Male)40.4
Median age (Female)41.9
Total households1,230
Family households (families)922
Average household size2.69
Average family size3.11
Total housing units1,298
* Demographic data is based on 2010 Census for the City of JEFFERSON.
** City and ZIP Code Population will not be equal due to differences in their geographies.


  1. U.S. Postal Service [Last Updated: 2/1/2023],
  2. Internal Data Creation [Last Updated: 2/1/2023],
  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],