
San Leandro
- County:
- Alameda County
- County Seat:
- No
- Area (mi²):
- 13.323
- State:
- California
San Leandro is a city located in Alameda County, California. San Leandro has a 2025 population of 82,490. San Leandro is currently declining at a rate of -1.96% annually and its population has decreased by -9.08% since the most recent census, which recorded a population of 90,724 in 2020.
The average household income in San Leandro is $127,289 with a poverty rate of 8.64%. The median age in San Leandro is 41.5 years: 40.9 years for males, and 42.8 years for females.