South Mahoning township
- County:
- Indiana County
- County Seat:
- No
- Area (mi²):
- 28.552
- State:
- Pennsylvania
South Mahoning township is located in Indiana County, Pennsylvania. South Mahoning township has a 2026 population of 1,817. South Mahoning township is currently declining at a rate of 0% annually and its population has decreased by -0.06% since the most recent census, which recorded a population of 1,818 in 2020.
The median household income in South Mahoning township is $61,786 with a poverty rate of 22.1%. The median age in South Mahoning township is 26.6 years: 32.5 years for males, and 23.2 years for females. For every 100 females there are 93.4 males.