West Loch Estate is a census-designated place (CDP) in Honolulu County, Hawaii, United States. The population was 5,523 at the 2020 census. Geography According to the United States Census Bureau, the CDP has a total area of , all of it land. It is on the western shore of the West Loch of Pearl Harbor. Fort Weaver Road (Hawaii Route 76) is the main road, running north–south through the CDP. Demographics References Census-designated places in Honolulu County, Hawaii Populated coastal places in Hawaii