Blaine County is named for James G Blaine, who was the United States Secretary of State and a presidential candidate.
Surrounding County Courthouses:
N – Saskatchewan, Canada
E – Phillips County
S – Fergus County
W – Chouteau County and Hill County
Created: February 29, 1912 
County Seat:
Chinook 1912 – present
County Courthouse – Chinook
Location: 420 Ohio Street / 4th Street
Built: 1913 – 1914
Style: Classical Revival
Architect: George H Shanley
Contractor: Lease & Richards of Great Falls
Description: The building faces west and is a two story brown colored brick and concrete structure. The building is located on spacious landscaped grounds in the center of Chinook. The west front has a central entrance framed with stone and a small canopy. The first story is a raised basement. A cornice runs between the first and second stories and above the second story. There is a projecting north and south wing. The roof line is flat. In the interior, the County District Court courtroom is located at the center of the third story and has a skylight. On the west side of the new addition is the County Justice Court courtroom on the third story. The building houses the County District Court of the 17th Judicial District and Justice Court. An addition was added on the south side in 1980. The architect was E F Link and Associates of Billings and the contractor was Morgen and Oswood of Great Falls.
See: The 17th Judicial District includes Blaine County, Phillips County and Valley County.
History: The county was created in 1912 and Chinook was selected as the county seat. The first and present courthouse was constructed in 1913 to 1914.
County Courthouse – Chinook
County Courthouse Addition – Chinook
Photos take 2009, 2016 and 2022