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.

    Elected Officials swearing in December 31, 2018

    Frank Arb – Coroner
    C. Kristine White – County Attorney
    Kathy Fahrenbruck – Treasurer
    Lisa Blevins – Superintendent of Schools
    Joan K. Duffield – Clerk & Recorder
    Judge Murnion
    Lee Busch – Justice of the Peace
    Allen Fulton – Sheriff

15.8 ° Forsyth, MT


Job Opening – Rosebud County Treasurer Clerk

Rosebud County Treasurer's office is accepting applications for a full time clerk position. Perform duties involved in processing motor vehicle titles and registrations.  Collect and receipt taxes and perform general accounting and data entry duties.  Clerk must complete duties with a high degree of accuracy and efficiency, must be able to multi-task and complete tasks by certain deadlines. More


The County is in the process of updating its Growth Policy. The document will be a guide for addressing the various issues and opportunities that the County faces, including the impacts of plant closures at Colstrip.
Your advice and guidance is essential to making this project a success. Please take the time to complete either an online survey available here
or to fill out a hard copy version. Hard copies are available here. Completed hard copies can be returned to County Commission Office’s. If you have questions about the project or the survey, please contact Jerry Grebenc at Great West Engineering 406-495-6153 or via email at jgrebenc@greatwesteng.com

Upcoming Events


March 6, 2019