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zipcodes.pro — CITY/CT/ANSONIA

Ansonia ZIP code, Connecticut

The ZIP code for Ansonia, CT is 06401, and its area codes are 203 and 475.

USPS city name
1 ZIP code
Overlapping the city
1 more
Population
19,033
Area codes
203, 475

NANPA lists no telephone rate centre for Ansonia itself, so these are the area codes of the nearest one, Seymour (2.9 miles). A town on an area-code boundary can differ from its neighbour.

Mail addressed to Ansonia uses the ZIP code above. 1 more ZIP code covers part of the city but is addressed as somewhere else; they are listed separately below.

Ansonia in numbers

About 19,033 people live in Ansonia, in 7,212 households, the 26th-largest of Connecticut's 213 census places. The median household income is $85,877 a year, 10% below the Connecticut median of $95,781 (US: $80,734). The median owner-occupied home is valued at $287,200 (22% below the Connecticut median), and median gross rent is $1,476 a month. The median age is 40.1; 21.9% of adults 25 and over hold a bachelor's degree or higher (42.5% across Connecticut); the average commute takes 27 minutes.

Population19,033Ansonia19,033
Households7,212Ansonia7,212
Median age40.1Ansonia40.1Connecticut41.1US 38.9
Median household income$85,877Ansonia$85,877Connecticut$95,781US $80,734
Median home value$287,200Ansonia$287,200Connecticut$366,900US $332,700
Median gross rent$1,476Ansonia$1,476Connecticut$1,488US $1,413
Bachelor's degree or higher21.9%Ansonia21.9%Connecticut42.5%US 35.7%
Mean commute26.8 minAnsonia26.8 minConnecticut26.5 minUS 26.4 min
Population density3,162 / sq miAnsonia3,162 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Ansonia city. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Ansonia

ZIP codes with the USPS city name Ansonia
ZIP City Type Population Median income Median home
06401 Ansonia , CT Standard 19,315 $86,178 $285,800

Other ZIP codes overlapping Ansonia

These ZIP codes cover part of Ansonia but are addressed as somewhere else.

ZIP codes overlapping Ansonia
ZIP City Type Population Median income Median home
06418 Derby , CT Standard 12,205 $78,542 $258,500

Map of Ansonia ZIP codes

06401

The ZIP codes of Ansonia, CT, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Ansonia

The nearest larger towns are Shelton (41,889 people, 4.5 mi), West Haven (55,351 people, 7.3 mi) and New Haven (134,349 people, 7.9 mi).

Towns near Ansonia
TownPopulationDistance
Derby 12,487 1.4 mi
Shelton 41,889 4.5 mi
Orange 14,315 4.7 mi
East Village 3,998 6.2 mi
Oronoque 4,116 6.2 mi
West Haven 55,351 7.3 mi
New Haven 134,349 7.9 mi
Milford 51,023 8.3 mi
Daniels Farm 5,976 8.7 mi
Trumbull Center 10,264 9.2 mi
Long Hill 8,681 9.8 mi
Naugatuck 31,800 10.0 mi
Sandy Hook 9,863 10.0 mi
Stepney 3,979 10.4 mi

More nearby: every ZIP code in New Haven County · Connecticut ZIP codes

Cite this page

zipcodes.pro. “Ansonia, CT ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/ct/ansonia

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