Alger township
- County:
- Mountrail County
- County Seat:
- No
- Area (mi²):
- 35.386
- State:
- North Dakota
Alger township is located in Mountrail County, North Dakota. Alger township has a 2025 population of 70. Alger township is currently growing at a rate of 4.48% annually and its population has increased by 6.06% since the most recent census, which recorded a population of 66 in 2020.
The median age in Alger township is 66.5 years: 0 years for males, and 0 years for females.