Municipal · Connecticut

City of Ansonia

Ansonia is a city in New Haven County, Connecticut, United States. Located on the Naugatuck River, it is immediately north of Derby, and about 12 miles (19 km) northwest of New Haven. The city is part of the Naugatuck Valley Planning Region. The population was 18,918 at the time of the 2020 census. The ZIP code for Ansonia is 06401. The city is served by the Metro-North Railroad. Ansonia Station is a stop on the railroad passenger commuter service's Waterbury Branch connecting to New York's Grand Central Terminal. Ansonia also is served by the Connecticut Transit bus carrier. Connecticut Route 8 serves Ansonia.

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City Council Primary
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Reference data (Census of Governments 2022)

Census ID (PID6): 161444
FIPS state: 09
FIPS county: 140
FIPS place: 01150
Census record name: CITY OF ANSONIA
Mailing address: 253 MAIN ST, ANSONIA 06401