
Marion township
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 55.483
- State:
- Indiana
Marion township is located in Grant County, Indiana. Marion township has a 2025 population of 1,676. Marion township is currently declining at a rate of -0.24% annually and its population has decreased by -1.24% since the most recent census, which recorded a population of 1,697 in 2020.
The average household income in Marion township is $97,657 with a poverty rate of 8.58%. The median age in Marion township is 39.5 years: 31.3 years for males, and 41 years for females.