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Zip Code 06878 — Riverside, CT

06878 is a ZIP Code associated with Riverside, CT, located within Western Connecticut. The postal region supports an estimated population of 8,328 residents across Data Pending housing units, with a population density of 1,329.9 people per square mile.

WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.031910, -73.582830)

Data Metric	Local Statistic
Postal / Zip Code	06878
Primary City	Riverside
State / Province	CT
County	Western Connecticut
Total Population	8,328
Median Household Income	Data Pending
Total Housing Units	Data Pending
Population Density	1,329.9 people/sq mi
Timezone	America/New_York

How 06878 Compares

Metric	ZIP 06878	Western Connecticut County	CT State Average
Population	8,328	627,079	3,624,508
Median Income	Data Pending	N/A	N/A
Population Density	1,329.9 /sq mi	--	--

Nearby ZIP Codes

ZIP Code	City	Distance	Population	Median Income
Zip 06870	Old Greenwich	0.7 mi	7,864	N/A
Zip 06807	Cos Cob	2.1 mi	7,650	N/A
Zip 06830	Greenwich	2.4 mi	24,880	N/A
Zip 06902	Stamford	2.6 mi	73,392	N/A
Zip 06901	Stamford	2.8 mi	11,037	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 →