Cut Bank is a city in and the county seat of Glacier County, Montana, United States, located just east of the "cut bank" along Cut Bank Cre…Cut Bank is a city in and the county seat of Glacier County, Montana, United States, located just east of the "cut bank" along Cut Bank Creek. The population was 3,056 at the 2020 census, The town began in 1891 with the arrival of the Great Northern Railway.