
Sebastopol
- County:
- Sonoma County
- County Seat:
- No
- Area (mi²):
- 1.882
- State:
- California
Sebastopol is a city located in Sonoma County, California. Sebastopol has a 2025 population of 7,290. Sebastopol is currently declining at a rate of -0.61% annually and its population has decreased by -2.99% since the most recent census, which recorded a population of 7,515 in 2020.
The average household income in Sebastopol is $118,930 with a poverty rate of 8.33%. The median age in Sebastopol is 48.4 years: 43.4 years for males, and 50.5 years for females.