Clinton, the seat of Hickman county, is located near the center of the county on US 51 at KY 58. It was established in 1828 and became the county seat in 1829, replacing Columbus. The source of the name is obscure, but it may be named for a Captain Clinton. Clinton was incorporated in 1831. The Clinton post office opened in 1829. The population in 2010 was 1,388.
- Clinton-Hickman County Chamber of Commerce
- Hickman County Fiscal Court
- Hickman County Schools
- Kentucky Great River Region Organization (KYGRRO)