Stamford is a city in Fairfield County, Connecticut, United States, 34 miles outside of New York City. It is the sixth-most populous city in New England. Stamford is also the largest city in the Western Connecticut Planning Region, and Connecticut's second-most populous city, behind Bridgeport. With a population of 135,470, Stamford passed Hartford and New Haven in population as of the 2020 census. It is in the Bridgeport–Stamford–Danbury metropolitan statistical area, which is part of the New York City metropolitan area.