
Alhambra Valley
- County:
- Contra Costa County
- County Seat:
- No
- Area (mi²):
- 1.614
- State:
- California
Alhambra Valley is a CDP located in Contra Costa County, California. Alhambra Valley has a 2025 population of 915. Alhambra Valley is currently declining at a rate of -0.11% annually and its population has decreased by -12.94% since the most recent census, which recorded a population of 1,051 in 2020.
The average household income in Alhambra Valley is $206,529 with a poverty rate of 20.81%. The median age in Alhambra Valley is 44.4 years: 44.1 years for males, and 44.6 years for females.