<Tr> <Th> Website </Th> <Td> www.ocgov.com </Td> </Tr> <P> Orange County is a county 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 United States, and more populous than twenty - one U.S. states . Its county seat is Santa Ana . It is the second most densely populated county in the state, second only to San Francisco County . The county's four largest cities, Anaheim, Santa Ana, Irvine, and Huntington Beach each have populations exceeding 200,000 . Several of Orange County's cities are on the Pacific coast, including Huntington Beach, Newport Beach, Laguna Beach, Dana Point, and San Clemente . </P> <P> Orange County is included in the Los Angeles - Long Beach - Anaheim, CA Metropolitan Statistical Area . Thirty - four incorporated cities are located in the county; the newest is Aliso Viejo, which was incorporated in 2001 . Anaheim was the first city, incorporated in 1870, when the region was still part of neighboring Los Angeles County . Whereas most population centers in the United States tend to be identified by a major city, there is no defined urban center in Orange County . It is mostly suburban except for some traditionally urban areas at the centers of the older cities of Anaheim, Fullerton, Huntington Beach, Orange, and Santa Ana . There are several edge city - style developments such as Irvine Business Center, Newport Center, and South Coast Metro . </P> <P> The county is known for tourism with attractions like Disneyland, Knott's Berry Farm, and several popular beaches along its more than 40 miles (64 km) of coastline . It is also known for its political conservatism--a 2005 academic study listed three Orange County cities as among America's 25 most conservative, making it one of two counties in the nation containing more than one such city . (Maricopa County, Arizona also had three cities on the list .) It is part of the Tech Coast . </P>

How many cities are there in orange county ca