St. Clair County

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St. Clair

St. Clair County is named for Arthur St. Clair, who was governor of the Northwest Territory and the 9th President of the United States in Congress Assembled when the Northwest Ordinance and United States Constitution were passed. 


Surrounding County Courthouses: 

N – Henry County

E – Benton County and Hickory County

S – Polk County and Cedar County

W – Vernon County and Bates County


Created:  January 29, 1841                    Map of Missouri highlighting St. Clair County

County Seat:

Osceola  1841 – present


County Courthouse – Osceola  


Location:  665 2nd Street / Chestnut Street

Built:  1916 – 1923

Style:  Classicial Revival

Architect:  Clifton B Sloan

Contractor:   D M Wall.


Description: The building faces northwest and is a one story buff colored brick and concrete structure. The building is located on the landscaped grounds of the Public Square. The northwest front has an entrance with stone trim. There are four columns rising to the top of the second story. A wide cornice runs below the flat roof line. The north section of the building is recessed. On the southeast side is a one story addition. The courtroom is located on the second story.


See:  The 27th Judicial District covers Bates CountyHenry County and St. Clair County,


History:  The county was created in 1841 and Osceola was selected as the county seat. The first courts met in private homes. The first courthouse was a two story brick structure built in 1842. The courthouse was burned in September 1861 during the Civil War. The second courthouse was a two story brick structure designed by A G Clarke and Thomas Sutherland and built by Hicks and Brown under the supervision of William O Mead as superintendent in 1866 to 1867 at a cost of $15,000. The courthouse was vacated in 1908 and the county rented premises. The third and present courthouse was constructed in 1916 to 1923 at a cost of $52,000.




County Courthouse – Osceola
















Photos taken 2009