Rosebud -- U.S. County in Montana Population (2000): 9383 Housing Units (2000): 3912 Land area (2000): 5012.367931 sq. miles (12981.972794 sq. km) Water area (2000): 14.568806 sq. miles (37.733032 sq. km) Total area (2000): 5026.936737 sq. miles (13019.705826 sq. km) Located within: Montana (MT), FIPS 30 Location: 45.973910 N, 106.654466 W Headwords: Rosebud Rosebud, MT Rosebud County Rosebud County, MT