
Woonsocket
- County:
- Sanborn County
- County Seat:
- No
- Area (mi²):
- 0.784
- State:
- South Dakota
Woonsocket is a city located in Sanborn County, South Dakota. Woonsocket has a 2025 population of 659. Woonsocket is currently growing at a rate of 0.92% annually and its population has increased by 4.44% since the most recent census, which recorded a population of 631 in 2020.
The average household income in Woonsocket is $63,053 with a poverty rate of 10.13%. The median age in Woonsocket is 36.4 years: 32 years for males, and 42.3 years for females.