Springfield
- County:
- Bon Homme County
- County Seat:
- No
- Area (mi²):
- 1.031
- State:
- South Dakota
Springfield is a city located in Bon Homme County, South Dakota. Springfield has a 2026 population of 1,912. Springfield is currently declining at a rate of -0.1% annually but its population has increased by 0.1% since the most recent census, which recorded a population of 1,910 in 2020.