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Zip Code 06855 — Norwalk, CT

06855 is a ZIP Code associated with Norwalk, CT, located within Western Connecticut. The postal region supports an estimated population of 9,351 residents across Data Pending housing units, with a population density of 1,461.8 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.089220, -73.396150)

Data MetricLocal Statistic
Postal / Zip Code06855
Primary CityNorwalk
State / ProvinceCT
CountyWestern Connecticut
Total Population9,351
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,461.8 people/sq mi
TimezoneAmerica/New_York

How 06855 Compares

MetricZIP 06855Western Connecticut CountyCT State Average
Population9,351627,0793,624,508
Median IncomeData PendingN/AN/A
Population Density1,461.8 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 06854Norwalk1.8 mi32,118N/A
Zip 06853Norwalk2.6 mi3,171N/A
Zip 06851Norwalk3.5 mi27,865N/A
Zip 06850Norwalk3.5 mi19,692N/A
Zip 06820Darien4.5 mi21,936N/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 →