Geography Location19°34N 155°30W ArchipelagoHawaiian Islands Area4,028 sq mi (10,430 km 2 ) Area rank1st, largest island in the United States Highest elevation13,803 ft (4,207.2 m) Highest pointMauna Kea Population185,079 (2010) Pop. density46 /sq mi (17.8 /km 2 )