Ansonia, Connecticut

Ansonia, Connecticut
Nickname: 
Copper City
Coordinates: 41°20′36″N 73°04′07″W / 41.34333°N 73.06861°W / 41.34333; -73.06861
Country United States
U.S. state Connecticut
CountyNew Haven
RegionNaugatuck Valley
Incorporated (town)1889
Incorporated (city)1893
Government
  TypeMayor-Board of Aldermen
  MayorDavid S. Cassetti (R)
Area
  Total
6.19 sq mi (16.02 km2)
  Land6.02 sq mi (15.59 km2)
  Water0.17 sq mi (0.44 km2)
Elevation
82 ft (25 m)
Population
 (2020)
  Total
18,918
  Density3,142.5/sq mi (1,213.5/km2)
Time zoneUTC−5 (Eastern)
  Summer (DST)UTC−4 (Eastern)
ZIP Code
06401
Area code(s)203/475
FIPS code09-01150
GNIS ID205107
Major highways
Commuter Rail
Websitecityofansonia.com

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 (Northbound, Exit 18; Southbound, Exit 19).

Ansonia was founded in 1844 by merchant and philanthropist Anson Green Phelps. Also referred to as "The Copper City", is recognized for its history of heavy machine manufacturing industry in the lower Naugatuck Valley. Production included copper, brass, rubber and plastics processing, molding and tubing, iron castings, sheet metal, electric, automatic screw machine, textiles, and foundry products. The well-known Ansonia Clock Company was founded here in 1851.

Ansonia is the birthplace of David Humphreys, a diplomat and colonel in the American Revolutionary War.