Home > CT > Naugatuck Valley County > Ansonia > Zip 06401

Zip Code 06401 — Ansonia, CT

06401 is a ZIP Code associated with Ansonia, CT, located within Naugatuck Valley. The postal region supports an estimated population of 19,315 residents across Data Pending housing units, with a population density of 1,237.6 people per square mile.
WorldPlaceData database updated: October 2026

📍 View location on OpenStreetMap (41.344240, -73.068960)

Data MetricLocal Statistic
Postal / Zip Code06401
Primary CityAnsonia
State / ProvinceCT
CountyNaugatuck Valley
Total Population19,315
Median Household IncomeData Pending
Total Housing UnitsData Pending
Population Density1,237.6 people/sq mi
TimezoneAmerica/New_York

How 06401 Compares

MetricZIP 06401Naugatuck Valley CountyCT State Average
Population19,315455,0723,624,508
Median IncomeData PendingN/AN/A
Population Density1,237.6 /sq mi----

Nearby ZIP Codes

ZIP CodeCityDistancePopulationMedian Income
Zip 06418Derby1.4 mi12,205N/A
Zip 06483Seymour2.7 mi16,889N/A
Zip 06525Woodbridge3.2 mi9,073N/A
Zip 06484Shelton4.5 mi41,889N/A
Zip 06477Orange4.8 mi14,315N/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 →