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ZIP Code Database - Facts & Stats

Data Last Updated: March 1, 2023

ZIP Codes for City of Haddam, CT

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Area Code(s):860, 959
Timezone(s):Eastern (GMT -05:00)
City Population:2,550 (More Details)
CBSA:Hartford-East Hartford-Middletown, CT
Congressional District(s):02
Land Area:369 square miles (county)
Water Area:70 square miles (county)

1 ZIP Code

Haddam, CT ZIP Code Boundaries

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Haddam, CT Covers 1 ZIP Code

ZIP CodeTypePopulation% of PopulationAliases

Haddam, CT Demographic Information *

There is no Census data for the city of HADDAM, CT. We have pulled information for the ZIP Code 06438 instead.
Total population**2,550
Male population1,284
Female population1,266
Median age (years)44.3
White Population2,441
Black Population22
Indian Population2
Asian Population44
Hawaiian Population0
Hispanic Population65
Median age (Male)42.7
Median age (Female)46.3
Total households1,008
Family households (families)726
Average household size2.52
Average family size2.98
Total housing units1,146
* Demographic data is based on 2010 Census for the City of HADDAM.
** 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],