
South Olga township
- County:
- Cavalier County
- County Seat:
- No
- Area (mi²):
- 35.821
- State:
- North Dakota
South Olga township is located in Cavalier County, North Dakota. South Olga township has a 2025 population of 36. South Olga township is currently declining at a rate of -2.7% annually and its population has decreased by -10% since the most recent census, which recorded a population of 40 in 2020.
The average household income in South Olga township is -$1000.00 Mn with a poverty rate of 0%. The median age in South Olga township is 0 years: 0 years for males, and 0 years for females.