Casa de Oro-Mount Helix is a census-designated place (CDP) located in the East County region of San Diego County, California, in the United States.
As of the 2020 census, the community had a population of 19,576 residents.
United States
Casa de Oro-Mount Helix is a census-designated place (CDP) located in the East County region of San Diego County, California, in the United States.
As of the 2020 census, the community had a population of 19,576 residents.