Home > CT > Lower Connecticut River Valley County > Haddam > Zip 06438

Zip Code 06438 — Haddam, CT

06438 is a ZIP Code associated with Haddam, CT, located within Lower Connecticut River Valley. The postal region supports an estimated population of 2,887 residents across Data Pending housing units, with a population density of 79.9 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.455160, -72.507010)

Data Metric	Local Statistic
Postal / Zip Code	06438
Primary City	Haddam
State / Province	CT
County	Lower Connecticut River Valley
Total Population	2,887
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	79.9 people/sq mi
Timezone	America/New_York

How 06438 Compares

Metric	ZIP 06438	Lower Connecticut River Valley County	CT State Average
Population	2,887	175,346	3,624,508
Median Income	Data Pending	N/A	N/A
Population Density	79.9 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 06412	Chester	3.6 mi	3,825	N/A
Zip 06441	Higganum	3.9 mi	5,348	N/A
Zip 06469	Moodus	4.7 mi	3,311	N/A
Zip 06423	East Haddam	6.1 mi	5,182	N/A
Zip 06439	Hadlyme	6.2 mi	65	N/A

Data Sources & Methodology: Geographic coordinates and ZIP Code assignments are derived from underlying geographic and postal datasets. Note that ZIP Codes are USPS postal delivery areas, while Census ZCTAs are statistical approximation areas. Read full methodology →