
Marion township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 42.371
- State:
- Ohio
Marion township is located in Marion County, Ohio. Marion township has a 2025 population of 6,736. Marion township is currently growing at a rate of 0.25% annually and its population has increased by 1.61% since the most recent census, which recorded a population of 6,629 in 2020.
The average household income in Marion township is $81,629 with a poverty rate of 10.7%. The median age in Marion township is 39.5 years: 40.8 years for males, and 38.7 years for females.