Walnut township
- County:
- Crawford County
- County Seat:
- No
- Area (mi²):
- 35.977
- State:
- Kansas
Walnut township is located in Crawford County, Kansas. Walnut township has a 2026 population of 72. Walnut township is currently declining at a rate of -1.37% annually and its population has decreased by -4% since the most recent census, which recorded a population of 75 in 2020.
The median age in Walnut township is 38.6 years: 58.9 years for males, and 13.6 years for females. For every 100 females there are 70.2 males.