Orange County is a county located in the Los Angeles metropolitan area in the U.S. state of California. As of the 2010 census, the population was 3,010,232, making it the third-most populous county in California, the sixth most populous in the U.S., and more populous than 21 U.S. states. Although mostly suburban, it is the second most densely populated county in the state, behind San Francisco County. The county’s four most populous cities, Anaheim, Santa Ana (the county seat), Irvine, and Huntington Beach, each have a population exceeding 200,000. Several cities are on the Pacific coast, including Huntington Beach, Newport Beach, Laguna Beach, Dana Point, and San Clemente.