Rosamond is a census-designated place (CDP) in Kern County, California, USA, near the Los Angeles county line. 20 miles (32 km) north of Palmdale, in the Antelope Valley, the westernmost desert valley of the Mojave Desert. Rosamond is also 13 miles (21 km) south of Mojave, and 11 miles (18 km) north of Lancaster at an elevation of 2342 feet (714 m).