Basic information about the Johnson County
The Johnson County is located in the state of Tennessee. This county occupies 304 square miles, with 5 square miles being water areas. There are 18.244 inhabitants living in the county according to the 2010 Census. As for the racial makeup of Johnson County citizens, the 3 largest groups are White (96.16%), followed by Black or African American (2.07%) and Two or More races (0.96%). There are 7.195 households in the county, while 66,44% of them are family households and 33,56% represent non family households. There are 1 cities and towns in Johnson County. The most populated city is Mountain City town and the smallest town or village is .