
South Pittsburg
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 8.22
- State:
- Tennessee
South Pittsburg is a city located in Marion County, Tennessee. South Pittsburg has a 2025 population of 2,895. South Pittsburg is currently declining at a rate of -1.36% annually and its population has decreased by -6.52% since the most recent census, which recorded a population of 3,097 in 2020.
The average household income in South Pittsburg is $66,020 with a poverty rate of 15.63%. The median age in South Pittsburg is 49.7 years: 49.5 years for males, and 53.9 years for females.