Benton is a home rule-class city in Marshall County, Kentucky, United States. The current mayor of this city is Rita Dotson. The population was 4,756 at the 2020 census. It is the county seat of Marshall County.
Benton was founded in 1842 by John Bearden and Francis H. Clayton. The town was named for Thomas Hart Benton, a senator from Missouri. Benton was then incorporated in 1845.
In 1908, Benton drove its African American residents out of town, becoming a sundown town along with the rest of Marshall County.
On January 23, 2018, a mass shooting occurred at Marshall County High School, near Benton, resulting in 19 injuries and 2 fatalities.
On December 10, 2021, the town was hit by the 2021 Western Kentucky Tornado.
According to the United States Census Bureau, the city has a total area of , all land. Benton lies in the center of the county encompassing the hills just south and west of Clarks River. Benton is the county seat of Marshall county,