Clark County is named for Sam K Clark, who was an early settler and a member of the Idaho Senate.
Surrounding County Courthouses:
N – Beaverhead County, Montana
E – Fremont County
S – Jefferson County and Butte County
W – Butte County and Lemhi County
Created: February 1, 1919 
County Seat:
Dubois 1919 – present
County Courthouse – Dubois
Location: 320 West Main Street / Thomas Avenue North
Built: 1974 – 1975
Style: Modern
Architect: Sundberg and Associates of Idaho Falls
Contractor: Clark Brothers Construction Company
Description: The building faces south and is a one story light red colored brick, glass and concrete structure.The south front has a recessed entrance on the east side and on the west side. On the roof is a raised section with horizontal windows. The roof line is flat. The building houses the County District Court and County Magistrate Court of the 7th Judicial District. In 1976 and 1977, an addition containing the jail was built on the north side.The architect was Sundberg and Associates and the contractor was Joe D Treasurer Construction.
Old County Courthouse – Dubois
Location: West Main Street / Thomas Avenue
Built: 1919
Style: Commercial
Architect: Unknown
Contractor: Unknown
Description: The building faces north and is a two story yellow colored brick and concrete structure. The building is located on landscaped grounds in the center of Dubois across from the courthouse. The court occupied the east part of the building.
See: The 7th Judicial District includes Bingham County, Bonneville County, Butte County, Custer County, Fremont County, Jefferson County, Lemhi County, Madison County and Teton County.
History: The county was created in 1919 and Dubois was selected as the county seat. The first courthouse was housed in part of a building in Dubois The Second and present courthouse was constructed in 1974 to 1975 at a cost of $266,774.
County Courthouse – Dubois
Commissioner Minutes 1973
Photos taken 2011