Irvine (pronounced /ˈɜrvaɪn/) is an incorporated city in Orange County, California, United States. It is a planned city, mainly developed by the Irvine Company since the 1960s. Formally incorporated on December 28, 1971, the 45 square mile (115 km2) city has a population of about 217,686 as of January 1, 2010. It has annexed in the past an undeveloped area to the north, and has also annexed the former El Toro Marine Corps Air Station, most of which is planned to be converted into the Orange County Great Park.







