Toronto
- County:
- Deuel County
- County Seat:
- No
- Area (mi²):
- 0.307
- State:
- South Dakota
Toronto is a town located in Deuel County, South Dakota. Toronto has a 2026 population of 195. Toronto is currently declining at a rate of -1.52% annually and its population has decreased by -1.52% since the most recent census, which recorded a population of 198 in 2020.