
Marion township
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 38.509
- State:
- Indiana
Marion township is located in Grant County, Indiana. Marion township has a 2025 population of 1,548. Marion township is currently growing at a rate of 0.45% annually and its population has increased by 3.27% since the most recent census, which recorded a population of 1,499 in 2020.
The average household income in Marion township is $122,772 with a poverty rate of 0%. The median age in Marion township is 49.9 years: 49.1 years for males, and 51.7 years for females.