Clear Lake township is located in Deuel County, South Dakota. Clear Lake township has a 2026 population of 23. Clear Lake 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 23 in 2020.
The median age in Clear Lake township is 13.5 years: 15 years for males, and 10.1 years for females. For every 100 females there are 73.6 males.
Data after 2023 is projected based on recent change
Overall: 13.5 years
Female: 10.1 years
Male: 15 years
There are 36 adults, (15 of whom are seniors) in Clear Lake township.
Female: 53 (57.6%)
Male: 39 (42.4%)
The racial composition of Clear Lake township includes 100% White, and smaller percentages for and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 92 | 100% |