Powder River County, Montana

Powder River County
Powder River Courthouse in Broadus
Location within the U.S. state of Montana
Montana's location within the U.S.
Coordinates: 45°23′N 105°38′W / 45.38°N 105.64°W / 45.38; -105.64
Country United States
State Montana
FoundedMarch 17, 1919
Named afterPowder River
SeatBroadus
Largest townBroadus
Area
  Total
3,298 sq mi (8,540 km2)
  Land3,297 sq mi (8,540 km2)
  Water0.6 sq mi (2 km2)  0.02%
Population
 (2020)
  Total
1,694
  Estimate 
(2024)
1,734
  Density0.51/sq mi (0.20/km2)
Time zoneUTC−7 (Mountain)
  Summer (DST)UTC−6 (MDT)
Congressional district2nd
Websitewww.prco.mt.gov
  • Montana county number 09

Powder River County is a county in the U.S. state of Montana. As of the 2020 census, the population was 1,694. Its county seat is Broadus.