Clinton is a city in Henry County, Missouri, United States. The population was 9,008 at the 2010 census. It is the county seat of Henry County.
Clinton was laid out in 1836. The city was named for New York Governor DeWitt Clinton, a key promoter of the Erie Canal. A post office called Clinton has been in operation since 1850.
On June 26, 2006, a building in the historic town square collapsed while an Elks Lodge meeting was taking place on the second and third floors. The leader, Tony Komer, who was on the third floor of the building preparing a speech, was the only fatality. Nine people were pulled from the rubble, while the rest left on their own power. In the "Olde Glory Days" parade, which occurred less than one week after the accident, Komer was memorialized and Elk's Lodge members from many parts of Western Missouri marched to show their support for the Clinton Lodge.
The Anheuser-Busch Brewing Association Building, Clinton Square Historic District, William F. and Julia Crome House, Judge Jerubial Gideon Dorman House, Gustave C. Haysler House, and C.C. Williams House are listed on the National Register of Historic Places.
Clinton is located at 38°22′12″N 93°46′18″W (38.370067, -93.771689). According to the United States Census Bureau, the city has a total area of 9.26 square miles (23.98 km2), of which 9.14 square miles (23.67 km2) is land and 0.12 square miles (0.31 km2) is water.
The downtown square serves as a center for community commerce and public affairs (The square also serves as a parking lot.) It features a central courthouse and numerous shops, stores, and eating facilities.