Boron (formerly, Amargo, Baker, Borate, and Kern) is a census-designated place (CDP) in Kern County, California, United States. Boron is located east-southeast of Castle Butte at an elevation of 2467 feet (752 m). The population was 2,253 at the 2010 census, up from 2,025 at the 2000 census. Boron is named after the element boron and is the location 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. Within a half day's drive one can view the highest and lowest points in the contiguous 48 states of the United States (Mount Whitney and Death Valley), the world's oldest tree (the Bristlecone Pine), and the cities of both Los Angeles and Las Vegas.