Pearl City is an unincorporated community and census-designated place (CDP) located in the ʻEwa District of the City & County of Honolulu on the island of Oʻahu, Hawaii. As of the 2020 census, the CDP had a population of 45,295, making it a significant residential area in the region.
Geographically, Pearl City sits along the north shore of Pearl Harbor, with Waimalu to its east and Waipahu to its west. The community uses the U.S. postal code 96782.