huntington beach is a ocean town in orange county, california. according to the 2010 census estimate, the number of people living in huntington beach is 202,556. this makes it one of the largest cities in orange county in the number of people, or population. it is has the pacific ocean on the southwest, seal beach in the northwest, costa mesa to the east, newport beach on the southeast, westminster to the north, and fountain valley to the northeast.