Home > CT > Lower Connecticut River Valley County > Middlefield > Zip 06455

Zip Code 06455 — Middlefield, CT

06455 is a ZIP Code associated with Middlefield, CT, located within Lower Connecticut River Valley. The postal region supports an estimated population of 2,480 residents across Data Pending housing units, with a population density of 89.2 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.514680, -72.717320)

Data Metric	Local Statistic
Postal / Zip Code	06455
Primary City	Middlefield
State / Province	CT
County	Lower Connecticut River Valley
Total Population	2,480
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	89.2 people/sq mi
Timezone	America/New_York

How 06455 Compares

Metric	ZIP 06455	Lower Connecticut River Valley County	CT State Average
Population	2,480	175,346	3,624,508
Median Income	Data Pending	N/A	N/A
Population Density	89.2 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 06481	Rockfall	1.6 mi	1,763	N/A
Zip 06450	Meriden	3.2 mi	35,694	N/A
Zip 06459	Middletown	3.9 mi	1,238	N/A
Zip 06457	Middletown	4.0 mi	46,720	N/A
Zip 06422	Durham	4.0 mi	7,208	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 →