
Marion township
- County:
- Linn County
- County Seat:
- No
- Area (mi²):
- 36.837
- State:
- Iowa
Marion township is located in Linn County, Iowa. Marion township has a 2025 population of 821. Marion township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Marion township is $85,485 with a poverty rate of 3.17%. The median age in Marion township is 55.6 years: 53.3 years for males, and 57.3 years for females.