The island of
Maui is the second-largest island of the state of Hawaii at 727.2 square miles (1,883 km
2), and the 17th-largest island in the United States. Maui is the largest of Maui County's four islands, which also include Molokaʻi, Lānaʻi, and unpopulated Kahoʻolawe. In 2020, Maui had a population of 168,307, the third-highest of the Hawaiian Islands, behind Oʻahu and Hawaiʻi Island. Kahului is the largest census-designated place (CDP) on the island, with a population of 28,219 as of 2020, and the island's commercial and financial hub. Wailuku is the seat of Maui County and is the third-largest CDP as of 2010. Other significant populated areas include Kīhei, Lāhainā, and Upcountry Maui.