Inyokern (formerly, Siding 16 and Magnolia) is a census-designated place (CDP) in Kern County, California, United States. Inyokern is located 8 miles (13 km) west of Ridgecrest, at an elevation of 2434 feet (742 m). Located in the Indian Wells Valley. The population was 984 at the 2000 census. It was a railroad town established along the Southern Pacific railroad Lone Pine Branch (now removed). It is served by Inyokern Airport.