Camp Nelson is a census-designated place in Tulare County, California. Camp Nelson is 12 miles east of Springville. Camp Nelson has a post office with ZIP code 93208. The population was 109 at the 2020 census, up from 97 at the 2010 census. Camp Nelson can be reached from Porterville by 33 curvy miles on California State Route 190 with an elevation gain of 4,439 feet.