
Jasper township
- County:
- Hanson County
- County Seat:
- No
- Area (mi²):
- 35.342
- State:
- South Dakota
Jasper township is located in Hanson County, South Dakota. Jasper township has a 2025 population of 178. Jasper township is currently growing at a rate of 0.56% annually and its population has increased by 1.71% since the most recent census, which recorded a population of 175 in 2020.
The average household income in Jasper township is $172,697 with a poverty rate of 0%. The median age in Jasper township is 46.3 years: 51.8 years for males, and 46.2 years for females.