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, Kahoolawe, and Molokini. The latter two islands are uninhabited. As of the 2010 census, the population was 154,834. The county seat is Wailuku. Maui County is included in the Kahului-Wailuku-Lahaina, HI Metropolitan Statistical Area.