Rusk township is located in Day County, South Dakota. Rusk township has a 2026 population of 125. Rusk township is currently declining at a rate of 0% annually and its population has increased by 1.63% since the most recent census, which recorded a population of 123 in 2020.
The median age in Rusk township is 66.6 years: 66.6 years for males, and 66.6 years for females. For every 100 females there are 103.1 males.
Data after 2023 is projected based on recent change
Overall: 66.6 years
Female: 66.6 years
Male: 66.6 years
There are 57 adults, (45 of whom are seniors) in Rusk township.
Female: 32 (49.2%)
Male: 33 (50.8%)
The racial composition of Rusk township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 65 | 100% |