Osage township
- County:
- Bourbon County
- County Seat:
- No
- Area (mi²):
- 48.15
- State:
- Kansas
Osage township is located in Bourbon County, Kansas. Osage township has a 2026 population of 343. Osage township is currently declining at a rate of 0% annually and its population has increased by 0.29% since the most recent census, which recorded a population of 342 in 2020.
The median household income in Osage township is $40,833 with a poverty rate of 22.66%. The median age in Osage township is 62.7 years: 62.9 years for males, and 61.9 years for females. For every 100 females there are 88.2 males.