
Marion township
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 35.878
- State:
- Indiana
Marion township is located in Grant County, Indiana. Marion township has a 2025 population of 916. Marion township is currently declining at a rate of 0% annually and its population has increased by 0.77% since the most recent census, which recorded a population of 909 in 2020.
The average household income in Marion township is $74,591 with a poverty rate of 4.38%. The median age in Marion township is 54 years: 55.5 years for males, and 53.6 years for females.