• Address: 1200 Main St
    City: montana
    State: forsyth
    Zip Code: 59327

    Rosebud County was established on February 1, 1901 and is located in Southeastern Montana covering approximately 5,027 square miles (5,010 square miles is land and 17 square miles is water). The county Courthouse was built in Forsyth in 1912. Rosebud County is Montana’s twenty-second most populous county, with an estimated population of 9,329 as of the latest census.