Ottawa township
- County:
- Franklin County
- County Seat:
- No
- Area (mi²):
- 35.881
- State:
- Kansas
Ottawa township is located in Franklin County, Kansas. Ottawa township has a 2025 population of 35. Ottawa 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 35 in 2020.
The median age in Ottawa township is 53.1 years: 53.4 years for males, and 0 years for females.