
Piedmont
- County:
- Alameda County
- County Seat:
- No
- Area (mi²):
- 1.7
- State:
- California
Piedmont is a city located in Alameda County, California. Piedmont has a 2025 population of 10,219. Piedmont is currently declining at a rate of -1.99% annually and its population has decreased by -9.23% since the most recent census, which recorded a population of 11,258 in 2020.
The average household income in Piedmont is $417,871 with a poverty rate of 3.81%. The median age in Piedmont is 43.5 years: 42.5 years for males, and 45.4 years for females.