Maui County, officially County of Maui, is a county located in the U.S. state of Hawaii. It consists of the islands of Maui, Lanai, Molokai (except for a portion of Molokai that comprises Kalawao County), Kahoolawe, and Molokini. The latter two islands are uninhabited. As of the 2010 census, the population was 154,834. The county seat is Wailuku.