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 2026 population of 67. Alger township is currently declining at a rate of 0% annually and its population has decreased by -2.9% since the most recent census, which recorded a population of 69 in 2020.
The median age in Alger township is 29.8 years: 34.2 years for males, and 0 years for females. For every 100 females there are 117.3 males.