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Casa de Oro-Mount Helix is a census-designated place (CDP) in San Diego County , California . The CDP encompasses several neighborhoods in unincorporated parts of the county near the cities of El Cajon and La Mesa as well as part of the unincorporated community of Spring Valley . The CDP gets its name from the neighborhood of Casa de Oro, which straddles the line between Spring Valley and unincorporated El Cajon, and Mount Helix , a prominent hill in La Mesa. The population was 18,762 at the 2010 census, down from 18,874 at the 2000 census.
Casa de Oro-Mount Helix is located at 32°45'48?N 116°58'39?W (32.763359, -116.977474).
According to the United States Census Bureau , the CDP has a total area of 6.9 square miles (18 km 2 ), all land.
There were 7,249 housing units at an average density of 1,057.8 per square mile (408.4/km²), of which 5,018 (72.3%) were owner-occupied, and 1,925 (27.7%) were occupied by renters. The homeowner vacancy rate was 1.4%; the rental vacancy rate was 5.2%. 13,358 people (71.2% of the population) lived in owner-occupied housing units and 5,205 people (27.7%) lived in rental housing units. Info courtesy of Wikipedia.
