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. Powder River County's area was probably first entered by Europeans when French trappers worked its streams in the early 1800s. In 1865 the federal government sent soldiers to the Powder River country to com…
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. Powder River County's area was probably first entered by Europeans when French trappers worked its streams in the early 1800s. In 1865 the federal government sent soldiers to the Powder River country to combat Native Americans from the Cheyenne, Lakota Sioux, and Arapaho tribes. September 1865 saw several skirmishes near present-day Broadus. On March 17, 1876, the Battle of Powder River occurred in the south-central part of the county, about 34 miles southwest of Broadus.