Orange County, California

Orange County, officially the County of Orange, often initialized: O.C., is located in the Greater Los Angeles area in Southern California, United States. As of the 2020 United States census, the population was 3,186,989, making it the third most populous county in California, the sixth most populous in the United States, and more populous than 19 U.S. states and Washington, D.C. Although mostly suburban, it is the second most densely populated county in the state behind San Francisco County. The county's three most populous cities are Anaheim, Santa Ana and Irvine, each of which has a population surpassing 300,000. Santa Ana is also the county seat.