San Buenaventura (Ventura)
- County:
- Ventura County
- County Seat:
- No
- Area (mi²):
- 21.873
- State:
- California
San Buenaventura (Ventura) is a city located in Ventura County, California. San Buenaventura (Ventura) has a 2026 population of 109,831. San Buenaventura (Ventura) is currently growing at a rate of 0.33% annually but its population has decreased by -0.72% since the most recent census, which recorded a population of 110,632 in 2020.