
Osage township
- County:
- Miami County
- County Seat:
- No
- Area (mi²):
- 40.593
- State:
- Kansas
Osage township is located in Miami County, Kansas. Osage township has a 2025 population of 679. Osage township is currently growing at a rate of 1.04% annually and its population has increased by 4.3% since the most recent census, which recorded a population of 651 in 2020.
The average household income in Osage township is $115,027 with a poverty rate of 18.72%. The median age in Osage township is 35.9 years: 44 years for males, and 25.8 years for females.