Bozeman ( BOHZ-mən) is a city and the county seat of Gallatin County, Montana, United States. Located in southwest Montana, the 2020 census put Bozeman's population at 53,293 making it the fourth-largest city in Montana. It is the principal city of the Bozeman, Montana, Micropolitan Statistical Area, consisting of all of Gallatin County with a population of 118,960. It is the fastest growing micropolitan statistical area in the United States in 2018, 2019 and 2020, as well as the second-largest of all Montana's statistical areas.