"2010Z"^^ . "Sullivan County"@en . . "3.8"^^ . "1.06967e+09"^^ . . "146.333"^^ . "156823"^^ . "Sullivan County is a county located in the U.S. state of Tennessee. As of the 2010 census, the population was 156,823."@en . . . "1.11369e+09"^^ . "4.14398e+07"^^ . . .