Staten Island (NYC borough) is 51% larger than Stamford, Connecticut.
Area: 100 km2 calculated
Stamford is a city in Fairfield County, Connecticut, United States. According to the 2010 census, the population of the city is 122,643. 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