Grant township
- County:
- Decatur County
- County Seat:
- No
- Area (mi²):
- 35.632
- State:
- Kansas
Grant township is located in Decatur County, Kansas. Grant township has a 2026 population of 14. Grant 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 14 in 2020.