
Granite Hills
- County:
- San Diego County
- County Seat:
- No
- Area (mi²):
- 2.793
- State:
- California
Granite Hills is a CDP located in San Diego County, California. Granite Hills has a 2025 population of 4,898. Granite Hills is currently growing at a rate of 2.62% annually and its population has increased by 21.84% since the most recent census, which recorded a population of 4,020 in 2020.
The average household income in Granite Hills is $162,606 with a poverty rate of 10.73%. The median age in Granite Hills is 38 years: 37.9 years for males, and 38.6 years for females.