Long Island is an island in southeast New York, USA. It has an area of 1,377 square miles (3,567 km˜) and a population of 7,448,618 as of the 2000 census, with the population estimated at 7,559,372 as of July 1, 2006, making it the largest island in the 48 contiguous U.S. states and the most populated in any U.S. state or territory. It is the 17th most populous island in the world, ahead of Ireland, Jamaica and the Japanese island of Hokkaido. Its population density is 5,470 people per square mile (2,110 per km˜). True to its name, the island is much longer than it is wide, jutting out some 118 miles (190 km) from New York Harbor, with only from 12 to 20 miles (32 km) between the southern Atlantic coast and Long Island Sound.