Fergus County, county in Montana, United States. As of 2020 county had an estimated population of 11,104 inhabitants. The county was created 139 years ago in 1885. Its county seat is Lewistown.
There are 1 city/town in Fergus County, MT. The largest city of Fergus County is Grass Range with a population of 105.
List of cities, towns, neighborhoods & other populated places in Fergus County.
City Name | Title | Population |
---|---|---|
Grass Range | Town of the United States | 105 |