Marshall County is a county located in the U.S. state of Kentucky. As of the most recent data available, the county has a population of approximately 30,125 people, with a population density of about 98.77 persons per square mile.
The county spans a total land area of 305.00 square miles (790.00 square kilometers). The administrative center and county seat is Benton, which often serves as a hub for local governance and services. The largest city within the county by population is Fairdealing.
Geographically, Marshall County experiences varied elevations, with its highest point at Hardin 418 ft and its lowest point at Fairdealing 0 ft. The region operates in the UTC-6.