
Granite Bay
- County:
- Placer County
- County Seat:
- No
- Area (mi²):
- 21.548
- State:
- California
Granite Bay is a CDP located in Placer County, California. Granite Bay has a 2025 population of 22,625. Granite Bay is currently growing at a rate of 0.66% annually but its population has decreased by -0.85% since the most recent census, which recorded a population of 22,818 in 2020.
The average household income in Granite Bay is $241,994 with a poverty rate of 5.04%. The median age in Granite Bay is 48.1 years: 48.6 years for males, and 46.7 years for females.