Waihee-Waiehu is a census-designated place in Maui County, Hawaii, United States. The population was 9,234 at the 2020 census. Waihee-Waiehu is located at 20°55′11″N 156°30′16″W / 20.91972°N 156.50444°W, on the east coast of the western half of Maui. The West Maui Mountains lie to the west, and Wailuku borders it on the southeast.