Castle Hill
- County:
- Contra Costa County
- County Seat:
- No
- Area (mi²):
- 0.585
- State:
- California
Castle Hill is a CDP located in Contra Costa County, California California. Unfortunately, the data for this location is currently limited or unavailable.
The median household income in Castle Hill is $250,001 with a poverty rate of 0.19%. The median age in Castle Hill is 43.9 years: 46.5 years for males, and 43.3 years for females. For every 100 females there are 82.6 males.