
Marion township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 25.361
- State:
- Ohio
Marion township is located in Marion County, Ohio. Marion township has a 2025 population of 5,522. Marion township is currently growing at a rate of 0.16% annually and its population has increased by 0.22% since the most recent census, which recorded a population of 5,510 in 2020.
The average household income in Marion township is $77,876 with a poverty rate of 17.22%. The median age in Marion township is 37.7 years: 35.7 years for males, and 38.4 years for females.