Carbon County is named for the coal deposits found in the area.
Surrounding County Courthouses:
N – Stillwater County and Yellowstone County
E – Big Horn County
S – Big Horn County, Wyoming and Park County, Wyoming
W – Park County and Stillwater County
Created: March 4, 1895 
County Seat:
Red Lodge 1895 – present
County Courthouse – Red Lodge
Location: 102 North Broadway / 10th Street
Built: 1899 – 1900
Style: Classical Revival
Architect: P J Donahue
Contractor: Leck & Coy
Description: The building faces west and is a two story red colored brick and concrete structure. The building is located on landscaped grounds in the center of Red Lodge. The building has an entrance on the west side with projecting center section with arched entrance and rising to a gable at the roof line. The hipped roof has several gables. In the interior, wood stairs ascend to the County District Court courtroom on the east side of the second story. The building houses the County District Court of the 22nd Judicial District and County Justice Court. An addition was added on the east side in 1940. On the north side is the County Jail.
See: National Register of Historic Places – Red Lodge Commercial Historic Districtrict
See: The 22nd Judicial District includes Big Horn County, Carbon County and Stillwater County.
History: The county was created in 1895 and Red Lodge was selected as the county seat. The county used rented premises. The first and present courthouse was constructed in 1899 to 1900.
County Administration Building – Red Lodge
Location: 17 West 11th Street / Oakes Avenue
Built: Unknown
Style: Modern
Architect: Unknown
Contractor: Unknown
Description: The building faces west and is a one story stone and concrete structure. The building is located on landscaped grounds in the center of Red Lodge. The roof is sloped.
County Courthouse – Red Lodge
Photos taken 2011 and 2022