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 2026 population of 1,698. Marion township is currently growing at a rate of 0.47% annually and its population has increased by 0.12% since the most recent census, which recorded a population of 1,696 in 2020.
The median household income in Marion township is $89,274 with a poverty rate of 4.35%. The median age in Marion township is 39.5 years: 31.5 years for males, and 44.5 years for females. For every 100 females there are 161.3 males.