About Southside, TNSouthside is located in Tennessee. Southside, Tennessee has a population of 1,007. Southside is less family-centric than the surrounding county with 32% households with children. The county percentage for households with children is 37%. The median household income in Southside, Tennessee is $47,711. The median household income for the surrounding county is $52,555 compared to the national median of $57,525. The median age of people living in Southside is 44.3 years. Southside WeatherThe average high temperature in July is 90.32 degrees, with an average low temperature in January of 23.98 degrees. The annual precipitation is 51.77. Southside MapSouthside real estate officesReal estate near SouthsideNearby CitiesNearby Cities Homes for Sale |