South Viking township
- County:
- Benson County
- County Seat:
- No
- Area (mi²):
- 35.604
- State:
- North Dakota
South Viking township is located in Benson County, North Dakota. South Viking township has a 2026 population of 46. South Viking township is currently declining at a rate of 0% annually and its population has decreased by -4.17% since the most recent census, which recorded a population of 48 in 2020.
The median age in South Viking township is 26.5 years: 26.6 years for males, and 25.9 years for females. For every 100 females there are 194.7 males.