Huntington Beach is a seaside city in Orange County in Southern California, located 35 miles southeast of Downtown Los Angeles. The city is named after American businessman Henry E. Huntington. The population was 189,992 during the 2010 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.