Kahului is a census-designated place in Maui County in the U.S. state of Hawaii. It hosts the county’s main airport, deep-draft harbor, light industrial areas, and commercial shopping centers. The population was 26,337 at the 2010 census. Kahului is part of the Kahului-Wailuku-Lahaina Metropolitan Statistical Area which includes nearby Wailuku and the town and former whaling village of Lahaina.