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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Fitchburg, MA

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Area Code(s):978, 508
Timezone(s):Eastern (GMT -05:00)
City Population:40,318 (More Details)
CBSA:Worcester, MA-CT
Congressional District(s):02, 03
Land Area:1,511 square miles (county)
Water Area:68 square miles (county)

1 ZIP Code

Fitchburg, MA ZIP Code Boundaries

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Fitchburg, MA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Fitchburg, MA Demographic Information *

Total population**40,318
Male population19,589
Female population20,729
Median age (years)34.7
White Population31,529
Black Population2,049
Indian Population133
Asian Population1,465
Hawaiian Population13
Hispanic Population8,727
Median age (Male)33.5
Median age (Female)35.9
Total households15,165
Family households (families)9,362
Average household size2.49
Average family size3.1
Total housing units17,117
* Demographic data is based on 2010 Census for the City of FITCHBURG.
** 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],