
Marion township
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 52.615
- State:
- Indiana
Marion township is located in Grant County, Indiana. Marion township has a 2025 population of 6,671. Marion township is currently growing at a rate of 0.09% annually and its population has increased by 0.06% since the most recent census, which recorded a population of 6,667 in 2020.
The average household income in Marion township is $77,062 with a poverty rate of 7.72%. The median age in Marion township is 36.7 years: 40.1 years for males, and 34.7 years for females.