Oriska is a city in Barnes County, North Dakota, United States.

[2] Oriska was originally called Fourth Siding, and under the latter name was founded in 1872 when the railroad was extended to that point.

[6] Oriska was named for a Native American character in a poem by Lydia Sigourney.

[9] According to the United States Census Bureau, the city has a total area of 0.28 square miles (0.73 km2), all land.

29.2% of all households were made up of individuals, and 4.2% had someone living alone who was 65 years of age or older.

27.7% of all households were made up of individuals, and 8.5% had someone living alone who was 65 years of age or older.

There were 8.3% of families and 14.8% of the population living below the poverty line, including 19.4% of under eighteens and 22.2% of those over 64.