Bozeman is a city in and the county seat of Gallatin County, Montana, United States. The 2020 United States census put Bozeman's population at 53,293, making it Montana's fourth-largest city. It is the principal city of the Bozeman, Montana, Metropolitan Statistical Area, consisting of all of Gallatin County, with a population of 118,960. It is the second-largest of Montana's statistical areas.