Menifee is a city located in Southwestern Riverside County, California, United States. The city is roughly 50 square miles in size. As of January 1, 2009, Menifee contains an estimated population of 67,705. The City of Menifee includes the communities of Menifee, Sun City, Quail Valley, Paloma Valley and portions of Romoland. Menifee is known for its picturesque views of the San Jacinto Mountains, the San Bernardino Mountains, Mt. Baldy, and Santa Ana Mountains above Lake Elsinore.