
Marion township
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 45.935
- State:
- Indiana
Marion township is located in Grant County, Indiana. Marion township has a 2025 population of 1,258. Marion township is currently growing at a rate of 0.56% annually and its population has increased by 1.45% since the most recent census, which recorded a population of 1,240 in 2020.
The average household income in Marion township is $93,396 with a poverty rate of 6.74%. The median age in Marion township is 49.3 years: 43.9 years for males, and 50.5 years for females.