Menifee, California is a city in Southwestern Riverside County, California, United States and part of the Los Angeles Combined Statistical Area. The city is also centrally located in the heart of Southern California between San Diego County and Los Angeles County. Almost 9 miles north of Temecula and bordering the city of Murrieta, Menifee is roughly 46 square miles in size and has an elevation of 1,424 feet. The incorporated City of Menifee includes the communities of Sun City, Quail Valley, Paloma Valley and portions of Romoland.