For the former town, see Kernville (former town), California.Kernville is a census-designated place (CDP) in the southern Sierra Nevada, in Kern County, California, United States. Kernville is located 42 miles (68 km) northeast of Bakersfield, at an elevation of 2667 feet (813 m). The population was 1,395 at the 2010 census, down from 1,736 at the 2000 census.