
Day township
- County:
- Clark County
- County Seat:
- No
- Area (mi²):
- 34.533
- State:
- South Dakota
Day township is located in Clark County, South Dakota. Day township has a 2025 population of 108. Day township is currently declining at a rate of 0% annually and its population has increased by 3.85% since the most recent census, which recorded a population of 104 in 2020.
The average household income in Day township is $118,522 with a poverty rate of 0%. The median age in Day township is 16 years: 16 years for males, and 26.5 years for females.