For decades, the Federal Building at 10 E. Babcock St. has stood as a familiar anchor in downtown Bozeman. Beyond housing our local post office, it represents a tangible link to the city’s past. Now, as the U.S. General Services Administration (GSA) plans to sell the property, Bozeman finds itself at another turning point in its rapid growth. The City of Bozeman is attempting to acquire the property at no cost through the National Park Service’s Historic Surplus Property Program. The New Fastest Growing Towns In Montana For 2026 According to census data , these Montana towns had the most population growth in 2025.