Antelope Valley is located in the U.S. state of California. It is in northern Los Angeles County composes the western tip of the Mojave Desert at the middle of Tehachapi and San Gabriel Mountains. It has a total area of 2,200 square miles at 34.751371°N 118.252297°W. The elevation is 125 feet above sea level. There were about 475,000 people living in Antelope Valley.