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Zip Code 06456 — Middle Haddam, CT

06456 is a ZIP Code associated with Middle Haddam, CT, located within Lower Connecticut River Valley. The postal region supports an estimated population of 281 residents across Data Pending housing units, with a population density of 81.7 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.541000, -72.548300)

Data Metric	Local Statistic
Postal / Zip Code	06456
Primary City	Middle Haddam
State / Province	CT
County	Lower Connecticut River Valley
Total Population	281
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	81.7 people/sq mi
Timezone	America/New_York

How 06456 Compares

Metric	ZIP 06456	Lower Connecticut River Valley County	CT State Average
Population	281	175,346	3,624,508
Median Income	Data Pending	N/A	N/A
Population Density	81.7 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 06414	Cobalt	2.5 mi	302	N/A
Zip 06424	East Hampton	2.6 mi	12,751	N/A
Zip 06480	Portland	4.5 mi	9,434	N/A
Zip 06441	Higganum	5.4 mi	5,348	N/A
Zip 06457	Middletown	5.5 mi	46,720	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 →