Star township
- County:
- Clay County
- County Seat:
- No
- Area (mi²):
- 35.437
- State:
- South Dakota
Star township is located in Clay County, South Dakota. Star township has a 2026 population of 124. Star township is currently declining at a rate of -1.59% annually but its population has increased by 3.33% since the most recent census, which recorded a population of 120 in 2020.
The median age in Star township is 40.4 years: 26.9 years for males, and 40.5 years for females. For every 100 females there are 66.1 males.