Oriska
- County:
- Barnes County
- County Seat:
- No
- Area (mi²):
- 35.093
- State:
- North Dakota
Oriska is located in Barnes County, North Dakota. Oriska has a 2025 population of 42 . Oriska is currently declining at a rate of 0% annually and its population has decreased by -2.33% since the most recent census, which recorded a population of 43 in 2020.
The median age in Oriska is 36.2 years: 3.8 years for males, and 0 years for females. For every 100 females there are 193.3 males.