Manhattan (NYC borough) is 8.7% larger than Bermuda.
Area: 54 km2 World Factbook
Population: 69,839 (July 2014) World Factbook
Bermuda, also referred to as the Bermudas or the Somers Isles, is a British Overseas Territory in the North Atlantic Ocean, located off the east coast of the United States. Its nearest landmass is Cape Hatteras, North Carolina, about 1,030 kilometres to the west-northwest. Wikipedia
Area: 59 km2 calculated
Manhattan is the most densely populated of the five boroughs of New York City. The borough is coterminous with New York County, an original county of the U.S. state of New York. Wikipedia