
Marion township
- County:
- Grant County
- County Seat:
- No
- Area (mi²):
- 32.975
- State:
- Indiana
Marion township is located in Grant County, Indiana. Marion township has a 2025 population of 1,126. Marion township is currently growing at a rate of 0.63% annually and its population has increased by 1.53% since the most recent census, which recorded a population of 1,109 in 2020.
The average household income in Marion township is $86,617 with a poverty rate of 9.04%. The median age in Marion township is 46.3 years: 51.6 years for males, and 44.4 years for females.