Fillmore township
- County:
- Divide County
- County Seat:
- No
- Area (mi²):
- 40.826
- State:
- North Dakota
Fillmore township is located in Divide County, North Dakota. Fillmore township has a 2026 population of 96. Fillmore township is currently declining at a rate of -1.03% annually and its population has decreased by -4% since the most recent census, which recorded a population of 100 in 2020.