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Zip Code 06778 — Northfield, CT

06778 is a ZIP Code associated with Northfield, CT, located within Northwest Hills. The postal region supports an estimated population of 1,574 residents across Data Pending housing units, with a population density of 109.6 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.714690, -73.104590)

Data Metric	Local Statistic
Postal / Zip Code	06778
Primary City	Northfield
State / Province	CT
County	Northwest Hills
Total Population	1,574
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	109.6 people/sq mi
Timezone	America/New_York

How 06778 Compares

Metric	ZIP 06778	Northwest Hills County	CT State Average
Population	1,574	113,256	3,624,508
Median Income	Data Pending	N/A	N/A
Population Density	109.6 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 06787	Thomaston	3.2 mi	7,509	N/A
Zip 06791	Harwinton	3.7 mi	5,602	N/A
Zip 06782	Plymouth	5.1 mi	1,978	N/A
Zip 06763	Morris	5.6 mi	2,151	N/A
Zip 06786	Terryville	5.6 mi	9,768	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 →