Brookbank
- County:
- Mountrail County
- County Seat:
- No
- Area (mi²):
- 35.908
- State:
- North Dakota
Brookbank is located in Mountrail County, North Dakota. Brookbank has a 2025 population of 24 . Brookbank is currently declining at a rate of 0% annually and its population has decreased by -7.69% since the most recent census, which recorded a population of 26 in 2020.
The median age in Brookbank is 17.5 years: 17 years for males, and 0 years for females. For every 100 females there are 362.5 males.