Clinton County is named for DeWitt Clinton, who was a Governor of New York and an advocate for the construction of the Erie Canal.
Surrounding County Courthouses:
N – DeKalb County
E – Caldwell County and Ray County
S – Clay County
W – Platte County and Buchanan County
Created: January 2, 1833 
County Seat:
Concord 1833 – 1834
Plattsburg 1834 – present
County Courthouse – Plattsburg
Location: 207 North Main Street / East Locust Street
Built: 1975 – 1976
Style: Modern
Architect: Homer Williams of Reed and Williams of Kansas City and Architects Design Collaborative Inc.
Contractor: Pool and Canfield Inc. of Kansas City.
Description: The building faces west and is a two story red colored brick, glass and cement structure. The building is located on landscaped grounds in the center of Plattsburg. The main entrance is on the north side of the second story. There is a small portico supported by brick walls at the entrance. The first story runs down the side of the hill. Raised widows run along the high part of the roof line in the center of the building. The building houses the County Circuit Court of the 43rd Judicial Circuit.
See: The 43rd Judicial Circuit includes Caldwell County, Clinton County, Daviess County, DeKalb County and Livingston County.
History: The county was created in 1833 and Concord was elected as the county seat. In 1834, the county seat was moved to Plattsburg. The first courthouse was built in 1834 and the building was repaired in 1848. The second courthouse was designed by Peter McDuff and was built by William C Black under the supervision of Hervey Whittington at a cost of $27,050 in 1859. The building was damaged in a fire on April 15, 1895. The third courthouse was designed by C P Schmidt and was built by John T Neil under the supervision of Stephen Collins at a cost of $12,985 in 1895. The building was damaged by fire on June 14, 1974 and was demolished. The fourth and present courthouse was constructed in 1975 to 1976 at a cost of $827,235.
County Courthouse - Plattsburg
Statue of David Rice Atchison
Photos taken 2009