Founded in 1842, Marshall County is one of 120 counties in the state of Kentucky. Historically, Marshall County was formed from Calloway County. The city of Benton is the county seat. With FIPS code of 157, Marshall County has a population of 31,748 and area of 305 square miles (790 km2).
List of all cities in Marshall County, KY alphabetically
| City/Town | Postal Code | Area Code |
| Aurora, KY | 42048 | 270 |
| Benton, KY | 42025 | 270 |
| Calvert City, KY | 42029 | 270 |
| Draffenville, KY | 42025 | 270 |
| Fairdealing, KY | 42025 | 270 |
| Gilbertsville, KY | 42044 | 270 |
| Hardin, KY | 42048 | 270 |
| Palma, KY | 42025 | 270 |
| Sharpe, KY | 42025 | 270 |