Rosebud County, Montana

Rosebud County
County courthouse in Forsyth
Location within the U.S. state of Montana
Montana's location within the U.S.
Coordinates: 46°14′N 106°43′W / 46.23°N 106.72°W / 46.23; -106.72
Country United States
State Montana
FoundedFebruary 11, 1901
Named afterRosebud River
SeatForsyth
Largest cityColstrip
Area
  Total
5,027 sq mi (13,020 km2)
  Land5,010 sq mi (13,000 km2)
  Water17 sq mi (40 km2)  0.3%
Population
 (2020)
  Total
8,329
  Estimate 
(2024)
8,194
  Density1.7/sq mi (0.64/km2)
Time zoneUTC−7 (Mountain)
  Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websiterosebudcountymt.gov
  • Montana county number 29

Rosebud County is a county in the state of Montana. It was established February 11, 1901, and has Montana vehicle license plate prefix 29. As of the 2020 census, the population was 8,329. Its county seat is Forsyth.