
Butte County
- State:
- California
- County Seat:
- Oroville
Butte County's estimated 2025 population is 206,778 with a growth rate of -0.1% in the past year according to the most recent United States census data. Butte County is the 28th largest county in California. The 2010 population was 219,951 and has seen a growth of -5.99% since that time.