Basic information about the Sullivan County
The Sullivan County is located in the state of Tennessee. This county occupies 431 square miles, with 17 square miles being water areas. There are 156.823 inhabitants living in the county according to the 2010 Census. As for the racial makeup of Sullivan County citizens, the 3 largest groups are White (95.14%), followed by Black or African American (2.12%) and Two or More races (1.27%). There are 66.298 households in the county, while 66,92% of them are family households and 33,08% represent non family households. There are 9 cities and towns in Sullivan County. The most populated city is Johnson City city and the smallest town or village is Bluff City city.