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Zip Code 06751 — Bethlehem, CT

06751 is a ZIP Code associated with Bethlehem, CT, located within Naugatuck Valley. The postal region supports an estimated population of 3,423 residents across Data Pending housing units, with a population density of 69.6 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.637920, -73.212200)

Data Metric	Local Statistic
Postal / Zip Code	06751
Primary City	Bethlehem
State / Province	CT
County	Naugatuck Valley
Total Population	3,423
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	69.6 people/sq mi
Timezone	America/New_York

How 06751 Compares

Metric	ZIP 06751	Naugatuck Valley County	CT State Average
Population	3,423	455,072	3,624,508
Median Income	Data Pending	N/A	N/A
Population Density	69.6 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 06758	Lakeside	2.8 mi	13	N/A
Zip 06763	Morris	3.6 mi	2,151	N/A
Zip 06793	Washington	4.0 mi	1,031	N/A
Zip 06795	Watertown	4.8 mi	13,889	N/A
Zip 06798	Woodbury	5.3 mi	9,833	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 →