
Cottonwood township
- County:
- Clark County
- County Seat:
- No
- Area (mi²):
- 34.879
- State:
- South Dakota
Cottonwood township is located in Clark County, South Dakota. Cottonwood township has a 2025 population of 87. Cottonwood township is currently declining at a rate of 0% annually and its population has increased by 3.57% since the most recent census, which recorded a population of 84 in 2020.
The average household income in Cottonwood township is $52,045 with a poverty rate of 0%. The median age in Cottonwood township is 10.8 years: 10.4 years for males, and 37.8 years for females.