
St. Thomas township
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 51.867
- State:
- Pennsylvania
St. Thomas township is located in Franklin County, Pennsylvania. St. Thomas township has a 2025 population of 6,050. St. Thomas township is currently growing at a rate of 0.67% annually and its population has increased by 2.3% since the most recent census, which recorded a population of 5,914 in 2020.
The average household income in St. Thomas township is $92,100 with a poverty rate of 6.69%. The median age in St. Thomas township is 37.3 years: 41.2 years for males, and 31.9 years for females.