Powder River County is named for the Powder River, which was named for the gunpowder like sand along its banks.
Surrounding County Courthouses:
N – Custer County
E – Carter County
S – Crook County, Wyoming and Campbell County, Wyoming
W – Big Horn County and Rosebud County
Created: March 7, 1919 
County Seat:
Broadus 1919 – present
County Courthouse – Broadus
Location: 10 Courthouse Square / East Holt Street
Built: 1977 – 1978
Style: Modern
Architect: Harrison G Fagg and Associates
Contractor: Tri State Construction of South Dakota
Description: The building faces south and is a one story red colored brick, concrete and glass structure. The building is located on spacious landscaped grounds in the center of Broadus. The east section rises higher with the entrance at the junction of the west section which has a sloped roof line along the north side.
History: The county was created in 1919 and Broadus was selected as the county seat in 1920.The county used rented premises until the first courthouse, a two story frame structure, was built in 1934. The second and present courthouse was constructed in 1977 to 1978.
County Courthouse – Broadus
Photos taken 2009