Hopper township
- County:
- Aurora County
- County Seat:
- No
- Area (mi²):
- 36.074
- State:
- South Dakota
Hopper township is located in Aurora County, South Dakota. Hopper township has a 2026 population of 65. Hopper township is currently declining at a rate of -1.52% annually but its population has increased by 3.17% since the most recent census, which recorded a population of 63 in 2020.
The median age in Hopper township is 59.9 years: 51.5 years for males, and 62.8 years for females. For every 100 females there are 160.0 males.