Benton
- County:
- Marshall County
- County Seat:
- Yes
- Area (mi²):
- 5.085
- State:
- Kentucky
Benton is a city located in Marshall County, Kentucky. Benton has a 2026 population of 4,726. It is also the county seat of Marshall County. Benton is currently declining at a rate of -0.02% annually and its population has decreased by -0.8% since the most recent census, which recorded a population of 4,764 in 2020.