Town guide
Rancho San Diego
California · CA
About Rancho San Diego
Census designated place in California, United States21,858Population
8.7 sq miArea
361 ftElevation
Rancho San Diego is a census-designated place (CDP) in the East County region of San Diego County, California. The population was 21,858 at the 2020 census, up from 21,208 at the 2010 census. The area was developed as subdivisions beginning in the 1970s.
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