
Osage township
- County:
- Mitchell County
- County Seat:
- No
- Area (mi²):
- 16.695
- State:
- Iowa
Osage township is located in Mitchell County, Iowa. Osage township has a 2025 population of 3,677. Osage 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 Osage township is $84,105 with a poverty rate of 6.62%. The median age in Osage township is 44.5 years: 37.2 years for males, and 47.1 years for females.