Oneida township
- County:
- Sanborn County
- County Seat:
- No
- Area (mi²):
- 35.661
- State:
- South Dakota
Oneida township is located in Sanborn County, South Dakota. Oneida township has a 2026 population of 25. Oneida township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 25 in 2020.
The median age in Oneida township is 83.3 years: 0 years for males, and 0 years for females. For every 100 females there are 250.0 males.