Staten Island (ˈstætən ) is the southernmost borough of New York City, coextensive with Richmond County and situated at the southern tip of the U.S. state of New York. The borough is separated from the adjacent state of New Jersey by the Arthur Kill and the Kill Van Kull and from the rest of New York by New York Bay. With a population of 495,747 in the 2020 Census, Staten Island is the least populated New York City borough but the third largest in land area at ; it is also the least densely populated and most suburban borough in the city.
A home to the Lenape indigenous people, the island was settled by Dutch colonists in the 17th century. It was one of the 12 original counties of New York state. Staten Island was consolidated with New York City in 1898. It was formerly known as the Borough of Richmond until 1975, when its name was changed to Borough of Staten Island. Staten Island has sometimes been called "the forgotten borough" by inhabitants who feel neglected by the city governm