Welcome to Rosebud County

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.

Other cities and towns in Rosebud County include Angela, Ashland, Birney, Colstrip, Hathaway, Ingomar, Lame Deer, Rosebud, and Sumatra. A large portion of the Northern Cheyenne Indian Reservation lies within Rosebud County.

  • Rosebud County is the fourth largest County by land area in the State of Montana.
  • Topography of Rosebud County is mostly rolling with small hills.  Elevations range from 1500 feet above sea level near the Yellowstone River to 4200 feet in the southern portion of the County near Ashland, adjacent to Custer National Forest.
  • The County’s leading source of income are from agriculture, tourism, railroad, coal mining and electrical generation.
  • There are 1,165 miles of County road.
  • Medical facilities are located in Ashland, Lame Deer, Colstrip and Forsyth.
62.6 ° Forsyth, MT


Job Openings: Cemetery Supervisor & Sheriff Deputy

Application available here   for the Cemetery Supervisor. Rosebud County is looking for a Cemetery Supervisor.  The County is open to suggestions and ideas for fulfilling this position from partial or full contracting to part or full-time county employee More

Election Office Hours & Condensed Ballot

Condensed Ballot for the General Election You can now register to vote & early vote for the General Election! Rosebud County Courthouse the Clerk and Recorders office in Forsyth Monday, Tuesday, Friday & Northern Cheyenne Tribal building in Lame Deer Wednesday & Thursdays 9am to 3pm Election day is Tuesday November 6th, polling places information available here.