Prospect is a town in the Naugatuck Valley Planning Region, Connecticut, United States. It is a suburb of the nearby city of Waterbury to its north, and is on the north-eastern fringes of the New York metropolitan area. The population was estimated to be 9,401 in 2020. Prospect is part of the Waterbury NECTA and of the historical New Haven County. Prospect is also a member of the regional health district Chesprocott, along with Cheshire and Wolcott.

Waterbury is a city in the U.S. state of Connecticut. Waterbury had a population of 114,403 as of the 2020 Census. The city is 33 miles (53 km) southwest of Hartford and 77 miles (124 km) northeast of New York City. Waterbury is the largest city in the Naugatuck Valley Planning Region and second-largest city in New Haven County.