Mitchell County is named for John Mitchell, who was an Irish patriot.
Surrounding County Courthouses:
N – Mower County, Minnesota
E – Howard County
S – Floyd County
W – Cerro Gordo County and Worth County
Created: January 15, 1851 
County Seat:
Mitchell 1851 – 1870
Osage 1870 – present
Former County Courthouse – Osage
Location: 508 State Street / South 5th Street
Built: 1858 ( demolished 2014 )
Style: Italianate, Greek and Gothic
Architect: John C Bishop
Contractor: John Robb, S B Chase and Jacob I Chase of Osage
Description: The building faced north and was a two story red colored brick and wood structure. The building was located on landscaped grounds in the center of Osage. The south front had a large porch with four large columns rising to the top of the second story. Above the porch \was a square white colored wood cupola with silver colored dome. The roof was hipped. On the east side a section projected from the main building. In 1879 to 1882, two story wings were constructed on the east and west sides. In 1926, a short wing was constructed on the south side. An addition was built in 1976. The building was razed in 2014 for construction of the new courthouse.
See: National Register of Historic Places – Mitchell County Courthouse
County Courthouse – Osage
Location: 212 South 5th Street / State Street
Built: 2014 – 2015
Style: Modern
Architect: FEH Architects, Inc.
Contractor: Henkel Construction Company of Mason City
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 Osage and is a square shaped. The west front has a portico with four columns rising to a pediment at the roof line. The south and north sides have high porticoes with white colored columns. The roof is hipped. with square cupola. The second story has a Magistrate Courtroom and a larger District Court courtroom. The building houses the County District Court of the 2A Judicial District.
See: The 2A Judicial District includes Bremer County, Butler County, Cerro Gordo County, Floyd County, Franklin County, Hancock County, Winnebego County and Worth County.
History: The county was created in 1851 and Osage was designated as the county seat. The county officers met in private homes. The first courthouse was built in 1858 in 1858 at a cost of $25,000. In 1870, the county seat was finally moved to Osage. The courthouse was razed in 2014 when the second and present courthouse was constructed in 2014 to 2015 at a cost of $6,580,000.
Former County Courthouse ( demolished ) – Osage
Commissioner Minutes 1858
County Courthouse – Osage
Construction 2015
Photos taken 2008, 2010, 2015 and 2017