Norwalk, is a U.S city located in southwestern Connecticut, in southern Fairfield County, on the northern shore of Long Island Sound. Norwalk is included statistically within both the New York-Newark, NY-NJ-CT-PA Combined Statistical Area as well as the Bridgeport-Stamford-Norwalk, CT Metropolitan Statistical Area.Norwalk was settled in 1649, and is now the sixth most populous city in Connecticut. According to the 2010 United States Census the city had a population of 85,603; with an estimated population of 88,438 in 2016.