New York City, 1971. New York – often called New York City to distinguish it from State of New York, of which it is a part, is the most populous city in US. New York City consists of 5 boroughs, each of which is a separate county of New York State. The 5 boroughs – Brooklyn, Queens, Manhattan, the Bronx + Staten Island – were consolidated into a single city in 1898. With a census-estimated 2014 population of 8,491,079 distributed over a land area of just 305 sq miles.