Whiteside township
- County:
- Beadle County
- County Seat:
- No
- Area (mi²):
- 37.02
- State:
- South Dakota
Whiteside township is located in Beadle County, South Dakota. Whiteside township has a 2026 population of 38. Whiteside township is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 38 in 2020.
The median age in Whiteside township is 32.5 years: 33.8 years for males, and 15 years for females. For every 100 females there are 48.5 males.