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ZIP Code Database - Facts & Stats

Data Last Updated: November 1, 2021

ZIP Codes for City of Haddam, CT

Haddam, CT Covers 1 ZIP Code

ZIP CodeTypeCountyPopulationArea Code(s)
ZIP Code 06438StandardMiddlesex2,550860

Timezone(s):Eastern (GMT -05:00)
Population:2,550 (More Details)
Male Population:1,284
Female Population:1,266
Median Age:44
ZIP Codes:1
Area Codes:1
Total Area:439 square miles (county)
Land Area:369 square miles (county)
Water Area:70 square miles (county)

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 population2,550
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.

Haddam, CT Other Information

173 Cities within 30 miles of Haddam, CT Products


  1. U.S. Postal Service [Last Updated: 11/1/2021],
  2. Internal Data Creation [Last Updated: 11/1/2021],
  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],