Stamford () is a city in Fairfield County, Connecticut, United States. According to the US Census Bureau, the population of the city is 129,775 as of July 1, 2018. As of 2017, according to the Census Bureau, the population of Stamford had risen to 131,000, making it the third-largest city in the state (behind Bridgeport and New Haven) and the seventh-largest city in New England. Approximately 30 miles (50 kilometers) from Manhattan, Stamford is in the Bridgeport-Stamford-Norwalk Metro area which is a part of the Greater New York metropolitan area.
Stamford is home to eight Fortune 500 companies as of 2019, as well as numerous divisions of large corporations. This gives Stamford the largest financial district in the New York metropolitan region outside New York City itself and one of the largest concentrations of corporations in the United States.
Stamford was known as Rippowam by the Siwanoy Native American inhabitants to the region, and the very first European settlers to the area also referred to it as such. The present name is after the town of Stamford, Lincolnshire, England. The deed to Stamford was signed on July 1, 1640, between Captain Turner of the New Haven Colony and Chief Ponus. By the 18th century, one of the primary industries of the town was merchandising by water, which was possible due to Stamford's proximity to New York.