The island of Maui is the second-largest of the Hawaiian Islands at 727.2 square miles (1,883 km2) and is the 17th largest island in the United States. Maui is part of the state of Hawaii and is the largest of Maui County's four islands, bigger than Lanai, Kahoolawe, and Molokai. In 2010, Maui had a population of 144,444, third-highest of the Hawaiian islands, behind that of Oahu and Hawaii. Kahului is the largest census-designated place on the island with a population of 26,337 as of 2010. Wailuku is the seat of Maui County. Other significant places include Kihei, Lahaina, Makawao, Paia, Kula, Haiku, Hana, Kaanapali, Wailea, Makena, and Kapalua.