Capital township is located in Hutchinson County, South Dakota. Capital township has a 2026 population of 80. Capital township is currently declining at a rate of -1.23% annually and its population has decreased by -2.44% since the most recent census, which recorded a population of 82 in 2020.
The median age in Capital township is 54.6 years: 59.4 years for males, and 54.1 years for females. For every 100 females there are 93.3 males.
Data after 2023 is projected based on recent change
Overall: 54.6 years
Female: 54.1 years
Male: 59.4 years
There are 29 adults, (3 of whom are seniors) in Capital township.
Female: 15 (51.7%)
Male: 14 (48.3%)
The racial composition of Capital township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 29 | 100% |