Warren
- County:
- Sanborn County
- County Seat:
- No
- Area (mi²):
- 35.24
- State:
- South Dakota
Warren is located in Sanborn County, South Dakota. Warren has a 2025 population of 47 . Warren is currently declining at a rate of 0% annually and its population has increased by 4.44% since the most recent census, which recorded a population of 45 in 2020.
The median age in Warren is 72.2 years: 0 years for males, and 0 years for females. For every 100 females there are 225.0 males.