South Carthage is a town in Smith County, Tennessee,

According to the United States Census Bureau of 2000, South Carthage is home to more than 1,300 residents. The town has a total area of 2.7 square miles and is located over 500 feet above sea level.

The racial composition of South Carthage is 95.31% White, 2.46% African American, 0.08% Native American, 0.23% Asian, 0.54% from other races, and 1.38% from two or more races. Hispanic or Latino of any race are 1.38% of the population.

South Carthage has more than 500 households. The median income for a household in the town is $30,592, and the median income for a family is $35,066.

Smith County is located in northern Tennessee and shares a land border with six counties. It is located about 55 miles west of Nashville, the capital of the state.

According to the U.S. Census Bureau of 2000, Smith County has a population of more than 17,000 people. The county has a total area of 325 square miles with 11 square miles of water.

Smith County is home to more than a dozen total municipalities. The county seat is Carthage.