Boron is a census-designated place in Kern County, California, United States. Boron is 15 miles southwest of Red Rock Mountain at an elevation of 2,467 feet. The population was 2,086 at the 2020 census, up from 2,025 at the 2000 census. Boron is named after the element boron and is the site of the world's largest source of the boron compound boric acid. Boron is a hinterland community on the western edge of the Mojave Desert.