California, United States·5K residents
Granite Hills is a census-designated place in San Diego County, California. The name is also applied to a neighborhood within the city limits of El Cajon in the eastern part of that city. The population of the CDP, which does not include the people living within the city of El Cajon, was 3,267 at the 2020 census, down from 3,035 at the 2010 census.
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