Camp Pendleton South is a census-designated place in San Diego County, California, located at the southwest corner of the Marine Corps Base Camp Pendleton. The population was 12,468 at the 2020 census, up from 10,616 at the 2010 census.
Camp Pendleton Mainside is a census-designated place in San Diego County, California, located at the southeast corner of the Marine Corps Base Camp Pendleton. Per the 2020 census, the population was 9,683. It was formerly known as Camp Pendleton North, but its name was changed for the 2020 Census. Along with Camp Pendleton South, it is one of two CDPs located on the base.
Crest is a unique, rural mountain community in San Diego County perched on the eastern border of the city of El Cajon, CA and the western border of Alpine, CA. Crest is located at an altitude of 1620 feet above sea level. It had a population of 2,828 at the 2020 census, a rise from 2,593 at the 2010 census.
