
Montalvin Manor
- County:
- Contra Costa County
- County Seat:
- No
- Area (mi²):
- 0.321
- State:
- California
Montalvin Manor is a CDP located in Contra Costa County, California. Montalvin Manor has a 2025 population of 2,025. Montalvin Manor is currently declining at a rate of -2.74% annually and its population has decreased by -18.67% since the most recent census, which recorded a population of 2,490 in 2020.
The average household income in Montalvin Manor is $118,774 with a poverty rate of 12.5%. The median age in Montalvin Manor is 49.8 years: 43.5 years for males, and 52.8 years for females.