Woonsocket township
- County:
- Sanborn County
- County Seat:
- No
- Area (mi²):
- 35.486
- State:
- South Dakota
Woonsocket township is located in Sanborn County, South Dakota. Woonsocket township has a 2026 population of 148. Woonsocket township is currently declining at a rate of -0.67% annually but its population has increased by 2.78% since the most recent census, which recorded a population of 144 in 2020.
The median household income in Woonsocket township is $105,726 with a poverty rate of 21.2%. The median age in Woonsocket township is 65.1 years: 65.5 years for males, and 47.8 years for females. For every 100 females there are 93.7 males.