Marion township
- County:
- Marion County
- County Seat:
- No
- Area (mi²):
- 37.017
- State:
- Ohio
Marion township is located in Marion County, Ohio. Marion township has a 2026 population of 2,441. Marion township is currently declining at a rate of -0.57% annually and its population has decreased by -2.71% since the most recent census, which recorded a population of 2,509 in 2020.
The median household income in Marion township is $90,857 with a poverty rate of 9.91%. The median age in Marion township is 37.5 years: 37.6 years for males, and 34.9 years for females. For every 100 females there are 118.0 males.