Maui County, officially known as Maui County, is a county in the United States state of Hawaii. The county comprises the islands of Maui, Lānaʻi, Molokaʻi (except for a portion of Molokaʻi which is part of Kalawao County), Kahoʻolawe, and Molokini. The latter two islands are uninhabited. According to the 2020 census, the population was 164,754. The county seat is Wailuku.