Staten Island is one of the five
boroughs of
New York City, in the U.S. state of
New York. In the southwest of the city, Staten Island is the southernmost part of both the city and state of New York, with
Conference House Park at the southern tip of the island and the state. The borough is separated from
New Jersey by the
Arthur Kill and the
Kill Van Kull, and from the rest of New York by
New York Bay. With a 2014 Census-estimated population of 473,279, Staten Island is the least populated of the boroughs but is the third-largest in area at . The borough is coextensive with
Richmond County, and until 1975 was officially the
Borough of Richmond. Its flag was later changed to reflect this, though the official seal remains unchanged. Staten Island has been sometimes called "the forgotten borough" by inhabitants who feel neglected by the
city government.