
Marion township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 24.222
- State:
- Ohio
Marion township is located in Marion County, Ohio. Marion township has a 2025 population of 600. Marion township is currently declining at a rate of -0.17% annually and its population has decreased by -0.17% since the most recent census, which recorded a population of 601 in 2020.
The average household income in Marion township is $50,239 with a poverty rate of 17.28%. The median age in Marion township is 52.3 years: 60.6 years for males, and 34.4 years for females.