Clark township is located in Clark County, South Dakota. Clark township has a 2026 population of 94. Clark 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 94 in 2020.
The median age in Clark township is 63.8 years: 65.2 years for males, and 63.7 years for females. For every 100 females there are 52.2 males.
Data after 2023 is projected based on recent change
Overall: 63.8 years
Female: 63.7 years
Male: 65.2 years
There are 70 adults, (30 of whom are seniors) in Clark township.
Female: 46 (65.7%)
Male: 24 (34.3%)
The racial composition of Clark township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 70 | 100% |