
Marion township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 34.168
- State:
- Ohio
Marion township is located in Marion County, Ohio. Marion township has a 2025 population of 732. Marion township is currently growing at a rate of 0.14% annually but its population has decreased by -0.14% since the most recent census, which recorded a population of 733 in 2020.
The average household income in Marion township is $92,802 with a poverty rate of 7.63%. The median age in Marion township is 31 years: 28.5 years for males, and 35 years for females.