
De Smet township
- County:
- Kingsbury County
- County Seat:
- No
- Area (mi²):
- 62.669
- State:
- South Dakota
De Smet township is located in Kingsbury County, South Dakota. De Smet township has a 2025 population of 325. De Smet township is currently growing at a rate of 0.62% annually and its population has increased by 5.18% since the most recent census, which recorded a population of 309 in 2020.
The average household income in De Smet township is $121,956 with a poverty rate of 8.29%. The median age in De Smet township is 52.4 years: 46.5 years for males, and 52.9 years for females.