Chouteau County, county in central Montana, United States. As of 2020 county had an estimated population of 5,699 inhabitants. The county was created 159 years ago in 1865. Its county seat is Fort Benton.
There are 1 city/town in Chouteau County, MT. The largest city of Chouteau County is Big Sandy with a population of 566.
Big Sandy, Town of the United States
List of cities, towns, neighborhoods & other populated places in Chouteau County.
| City Name | Title | Population |
|---|---|---|
| Big Sandy | Town of the United States | 566 |
