Jamaica is 61 times larger than Brooklyn (NYC borough).
Area: 10,991 km2 World Factbook
Population: 2,930,050 (July 2014) World Factbook
Jamaica is an island country situated in the Caribbean Sea, comprising the third-largest island of the Greater Antilles. Wikipedia
Area: 180 km2 calculated
Population: 2,565,635 (2012)
Brooklyn is the most populous of New York City's five boroughs, with about 2.6 million people, as well as the second-largest in area. Wikipedia