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ZIP Code Database - Facts & Stats

Data Last Updated: June 1, 2023

ZIP Codes for City of Baldwinville, MA

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Area Code(s):978, 351
Timezone(s):Eastern (GMT -05:00)
City Population:2,028 (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

Baldwinville, MA ZIP Code Boundaries

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Baldwinville, MA Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases
01436Standard3,336100.00%OTTER RIVER

Baldwinville, MA Demographic Information *

Total population**2,028
Male population948
Female population1,080
Median age (years)41
White Population1,971
Black Population16
Indian Population2
Asian Population9
Hawaiian Population0
Hispanic Population47
Median age (Male)39.7
Median age (Female)42.9
Total households767
Family households (families)507
Average household size2.49
Average family size3.04
Total housing units818
* Demographic data is based on 2010 Census for the City of BALDWINVILLE.
** 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],