Cottonwood township is located in Clark County, South Dakota. Cottonwood township has a 2026 population of 86. Cottonwood township is currently declining at a rate of 0% annually and its population has increased by 4.88% since the most recent census, which recorded a population of 82 in 2020.
The median age in Cottonwood township is 61.3 years: 0 years for males, and 0 years for females. For every 100 females there are 42.9 males.
Overall: 61.3 years
Female: 0 years
Male: 0 years
There are 10 adults, (0 of whom are seniors) in Cottonwood township.
Female: 7 (70%)
Male: 3 (30%)
The racial composition of Cottonwood township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 10 | 100% |