
Marion
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 1.99
- State:
- Pennsylvania
Marion is a CDP located in Franklin County, Pennsylvania. Marion has a 2025 population of 1,169. Marion is currently growing at a rate of 1.21% annually but its population has decreased by -24.63% since the most recent census, which recorded a population of 1,551 in 2020.
The average household income in Marion is $62,963 with a poverty rate of 15.62%. The median age in Marion is 31.7 years: 23.9 years for males, and 53.5 years for females.