
Ventura County
- State:
- California
- County Seat:
- Ventura
Ventura County's estimated 2025 population is 823,028 with a growth rate of -0.4% in the past year according to the most recent United States census data. Ventura County is the 12th largest county in California. The 2010 population was 825,144 and has seen a growth of -0.26% since that time.