Warren township
- County:
- Sanborn County
- County Seat:
- No
- Area (mi²):
- 35.24
- State:
- South Dakota
Warren township is located in Sanborn County, South Dakota. Warren township has a 2025 population of 44. Warren township is currently declining at a rate of -2.22% annually and its population has decreased by 0% since the most recent census, which recorded a population of 44 in 2020.
The median age in Warren township is 72.2 years: 0 years for males, and 0 years for females.