Butler
- County:
- Day County
- County Seat:
- No
- Area (mi²):
- 0.291
- State:
- South Dakota
Butler is a town located in Day County, South Dakota. Butler has a 2025 population of 6. Butler 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 6 in 2020.
The median age in Butler is 63 years: 0 years for males, and 0 years for females.