Clear Lake township
- County:
- Deuel County
- County Seat:
- No
- Area (mi²):
- 37.201
- State:
- South Dakota
Clear Lake township is located in Deuel County, South Dakota. Clear Lake township has a 2026 population of 232. Clear Lake township is currently declining at a rate of 0% annually and its population has increased by 1.75% since the most recent census, which recorded a population of 228 in 2020.
The median household income in Clear Lake township is $157,788 with a poverty rate of 16.51%. The median age in Clear Lake township is 31.6 years: 31.4 years for males, and 31.8 years for females. For every 100 females there are 131.9 males.