
Boneau
- County:
- Chouteau County
- County Seat:
- No
- Area (mi²):
- 2.374
- State:
- Montana
Boneau is a CDP located in Chouteau County, Montana. Boneau has a 2025 population of 261. Boneau is currently declining at a rate of -2.97% annually and its population has decreased by -10% since the most recent census, which recorded a population of 290 in 2020.
The average household income in Boneau is $41,971 with a poverty rate of 35.21%. The median age in Boneau is 41.3 years: 31.2 years for males, and 45 years for females.