
Pleasanton
- County:
- Alameda County
- County Seat:
- No
- Area (mi²):
- 24.141
- State:
- California
Pleasanton is a city located in Alameda County, California. Pleasanton has a 2025 population of 71,311. Pleasanton is currently declining at a rate of -2.29% annually and its population has decreased by -10.49% since the most recent census, which recorded a population of 79,665 in 2020.
The average household income in Pleasanton is $238,593 with a poverty rate of 5.53%. The median age in Pleasanton is 42.4 years: 41.7 years for males, and 43.1 years for females.