
Chouteau County
- State:
- Montana
- County Seat:
- Fort Benton
Chouteau County's estimated 2025 population is 5,725 with a growth rate of -1.05% in the past year according to the most recent United States census data. Chouteau County is the 34th largest county in Montana. The 2010 population was 5,810 and has seen a growth of -1.46% since that time.