
Castella
- County:
- Shasta County
- County Seat:
- No
- Area (mi²):
- 1.119
- State:
- California
Castella is a CDP located in Shasta County, California. Castella has a 2025 population of 319. Castella is currently growing at a rate of 7.05% annually and its population has increased by 38.7% since the most recent census, which recorded a population of 230 in 2020.
The average household income in Castella is $88,541 with a poverty rate of 13.94%. The median age in Castella is 50.7 years: 46.1 years for males, and 53 years for females.