Oriska township
- County:
- Barnes County
- County Seat:
- No
- Area (mi²):
- 35.093
- State:
- North Dakota
Oriska township is located in Barnes County, North Dakota. Oriska township has a 2025 population of 43. Oriska township is currently declining at a rate of 0% annually and its population has decreased by -2.27% since the most recent census, which recorded a population of 44 in 2020.
The median age in Oriska township is 36.2 years: 3.8 years for males, and 0 years for females.