Huntington Beach is a seaside city in Orange County in Southern California. The city is named after American businessman Henry E. Huntington. The population was 189,992 during the 2010 census, making it the most populous beach city in Orange County and the seventh most populous city in the Los Angeles-Long Beach-Anaheim MSA. Its estimated 2014 population was 200,809. It is bordered by the Pacific Ocean on the southwest, by Seal Beach on the northwest, by Costa Mesa on the east, by Newport Beach on the southeast, byWestminster on the north, and by Fountain Valley on the northeast.