 New York City is the most populous city in the United States, with an estimated record high population of 8,622,698 in 2017, incorporating more immigration into the city than emigration since the 2010 United States Census.At least twice as many people live in New York City as in the second-most populous U.S. city (Los Angeles), and within a smaller area.Long Island alone accounted for a Census-estimated 7,838,722 residents in 2015, representing 39.6% of New York State's population.