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.
Data after 2023 is projected based on recent change
Overall: 32.5 years
Female: 15 years
Male: 33.8 years
There are 27 adults, (3 of whom are seniors) in Whiteside township.
Female: 33 (67.3%)
Male: 16 (32.7%)
The racial composition of Whiteside township includes 73.47% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 36 | 73.47% |
| Two or more races | 13 | 26.53% |