Mission Viejo is located in South Orange County, about midway between San Diego and Los Angeles. It is the largest master-planned communities ever built in the United States. Mission Viejo has a population of about 96,000 people. Like most of Southern California, it has a beautiful, temperate climate with few rainy days per year. It is known for its great schools with ample shopping and dining options. It is also easily accessible from several freeways, making it a desirable commuter city.