Staten Island (NYC borough) is 3 times larger than New Haven, Connecticut.
Area: 50 km2 calculated
New Haven is the second-largest city in Connecticut after Bridgeport with a population at the 2010 United States Census of 129,779 people. According to a census done by the Census Bureau as of July 1, 2012, the city had a population of 130,741. Wikipedia
Area: 151 km2 calculated
Staten Island is one of the five boroughs of New York City, in the U.S. state of New York, located in the southwest part of the city. Staten Island is the southernmost part of the both the City and State of New York, with Conference House Park at the southern tip of the island and the state. Wikipedia