New Canaan is a town in Fairfield County, Connecticut, United States. The population was 20,622 according to the 2020 census. The town is part of the Western Connecticut Planning Region. About an hour from New York City by train, the town is considered part of Connecticut's Gold Coast. The town is bounded on the south by Darien, on west by Stamford, on the east by Wilton, on the southeast by Norwalk, and on the north by Lewisboro and Pound Ridge in Westchester County, New York.