Morton County is named for Oliver Hazard Perry Throck Morton (1823-1877), who was governor of Indiana during the Civil War and a United States Senator.
Surrounding County Courthouses:
N – Mercer County and Oliver County
E – Burleigh County and Emmonds County
S – Sioux County and Grant County
W – Stark County
Created: January 8, 1873 
County Seat:
Mandan 1881 – present
County Courthouse – Mandan
Location: 210 2nd Avenue Northwest / 1st Street Northwest
Built: 1954 – 1955
Style: Modern
Architect: Foss and Company
Contractor: John W Larson
Description: The building faces west and is a three story buff colored brick, concrete and glass structure. The building is located on landscaped grounds in the center of Mandan. There is a two story wing on the west side. The three story section on the east side is rectangular, extending north and south. The first story is red colored brick and the upper stories are buff colored brick. The roof line is flat. The building houses the County District Court of the South Central Judicial District. The building is named as the County Memorial Courthouse. The building was renovated in 1997 to 1998. The architect was Al Fitterer of Mandan and the contractor was Associated Builders.
See: The architect Foss Associates Architects also designed courthouses in Billings County, Cavalier County and Ramsey County, and in Minnesota in Becker County, Clay County, Clearwater County and Pennington County.
Old County Courthouse – Mandan
Location: 300 1st Street Northwest / 2nd Avenue Northwest
Built: 1932 – 1937
Style: Art Deco
Architect: Unknown
Contractor: Unknown
Description: The building faces south and is a three story buff colored brick, concrete and limestone structure. The building is located on landscaped grounds in the center of Mandan on the west side of the courthouse. The south front has a projecting center section with arched entrance on the first story. The roof line is flat. The building is named as the World War Memorial Building and houses the Mandan City offices.
Note: The cost of construction was $125,000. The delay in construction was due to The Great Depression. The second and third stories were added in 1936 at a cost of $34,000. The building served as the courthouse from 1941 to 1956.
See: The South Central Judicial District includes Burleigh County, Emmonds County, Grant County, McLean County, Mercer County, Oliver County, Sheridan County and Sioux County.
History: The county was created in 1873 and Mandan was selected as the county seat in 1881 when the county was organized. The first courthouse was a log structure at Main Street and 1st Avenue NE formerly a saloon and school house. The second courthouse was a two story stone structure designed by Johnston & Taylor and built in 1885 at a cost of $35,000. The courthouse burned on May 15, 1941. The Mandan Memorial Building served as the third courthouse until the fourth and present courthouse was constructed in 1954 to 1955 at a cost of $590,000.
County Office Building – Mandan
Location: 210 2nd Avenue Northwest / 1st Street Northwest
Built: 1990 – 1992
Style: Modern
Architect: Al Fitterre of Mandan
Contractor: Bailey Construction, Inc.
Description: The building faces west and is a reddish colored brick, concrete and glass structure. The building is located on landscaped grounds in the center of Mandan.on the north side of the courthouse. The building is square shaped. Large white colored concrete sections are along the west side at the entrance and at the southwest corner of the building. The roof line is flat and the building is connected to the courthouse on the north side.
County Courthouse – Mandan
County Office Building – Mandan
Old County Courthouse – Mandan
Photos taken 2007 and 2009