Marion township
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 21.98
- State:
- Pennsylvania
Marion township is located in Franklin County, Pennsylvania. Marion township has a 2026 population of 1,203. Marion township is currently growing at a rate of 0.33% annually and its population has increased by 1.43% since the most recent census, which recorded a population of 1,186 in 2020.
The median household income in Marion township is $67,405 with a poverty rate of 8.29%. The median age in Marion township is 41.8 years: 32 years for males, and 48.2 years for females. For every 100 females there are 147.7 males.