. . "1.2924e+09"^^ . "13.8997"^^ . "0.06"^^ . "Fentress County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 17,959. Its county seat is Jamestown."@en . "2010Z"^^ . . "Fentress County"@en . . . "1.2924e+09"^^ . "17959"^^ . . "776996.0"^^ .