Benton County is a county located in the U.S. state of Tennessee. As of the 2020 census, the population was 15,864. Its county seat is Camden. The county was created in December 1835 and organized in 1836. Benton County is located in northwest Tennessee, bordering the western branch of the Tennessee River and 30 miles south of the Kentucky border. Aside from Camden, other major communities include agrarian communities Big Sandy and Holladay.