Hamlin township
- County:
- Nelson County
- County Seat:
- No
- Area (mi²):
- 34.65
- State:
- North Dakota
Hamlin township is located in Nelson County, North Dakota. Hamlin township has a 2026 population of 56. Hamlin township is currently declining at a rate of 0% annually and its population has increased by 1.82% since the most recent census, which recorded a population of 55 in 2020.