Benton is a city in Scott County, Missouri, United States. The population was 732 at the 2000 census. It is the county seat of Scott County.
Benton is located at 37°5′49″N 89°33′44″W / 37.09694°N 89.56222°W / 37.09694; -89.56222 (37.097073, -89.562341).
According to the United States Census Bureau, the city has a total area of 0.4 square miles (1.1 km²), all of it land.