Get to know Casa de Oro-Mount Helix
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About Casa de Oro-Mount Helix
Census designated place in California, United StatesCasa de Oro-Mount Helix is a census-designated place (CDP) in the East County region of San Diego County, California. As of the 2020 census, Casa de Oro-Mount Helix had a population of 19,576. The CDP encompasses several unincorporated neighborhoods east of La Mesa and south of El Cajon, principally the communities of Mount Helix and Casa de Oro. Much of the area lies within the County of San Diego’s Valle de Oro Community Planning Area, which identifies Casa de Oro, Mount Helix, Vista Grande Hills, and Rancho San Diego as neighborhoods within the planning area."Valle de Oro Community Plan". County of San Diego. Planning & Development Services. Retrieved August 23, 2026. County planning doc…
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