
Marion township
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 24.823
- State:
- Indiana
Marion township is located in Grant County, Indiana. Marion township has a 2025 population of 1,900. Marion township is currently declining at a rate of -0.47% annually and its population has decreased by -1.4% since the most recent census, which recorded a population of 1,927 in 2020.
The average household income in Marion township is $96,009 with a poverty rate of 6.83%. The median age in Marion township is 55.4 years: 48.2 years for males, and 60.4 years for females.