Huntington Beach is a seaside city in Orange County, California, United States. The city was originally called Pacific City, but it was changed …Huntington Beach is a seaside city in Orange County, California, United States. The city was originally called Pacific City, but it was changed in 1903 to be named after American businessman Henry E. Huntington. The population was 198,711 as of the 2020 United States census, making it the fourth most populous city in Orange County, the most populous beach city in Orange County, and the seventh most populous city in the Los Angeles-Long Beach-Anaheim, CA Metropolitan Statistical Area. Located 35 miles southeast of Downtown Los Angeles, it is bordered by Bolsa Chica Basin State Marine Conservation Area on the west, the Pacific Ocean on the southwest, by Seal Beach on the northwest, by Westminster on the north, by Fountain Valley on the northeast, by Costa Mesa on the east, and by Newport Beach on the southeast.