Osborn township
- County:
- Mountrail County
- County Seat:
- No
- Area (mi²):
- 28.689
- State:
- North Dakota
Osborn township is located in Mountrail County, North Dakota. Osborn township has a 2026 population of 333. Osborn township is currently growing at a rate of 1.22% annually but its population has decreased by -3.2% since the most recent census, which recorded a population of 344 in 2020.
The median age in Osborn township is 36.4 years: 38.5 years for males, and 17 years for females. For every 100 females there are 60.3 males.