East Kapolei is a census-designated place (CDP) in Honolulu County, Hawaii, United States. It is on the south side of the island of Oahu and is bordered to the west by Kapolei, to the south by Ewa Villages, to the east by West Loch Estate, and to the north by Interstate H-1. By road it is 17 miles (27 km) northwest of downtown Honolulu. As of the 2020 census, East Kapolei had a population of 5,299.