
Willow Creek township
- County:
- Tripp County
- County Seat:
- No
- Area (mi²):
- 35.714
- State:
- South Dakota
Willow Creek township is located in Tripp County, South Dakota. Willow Creek township has a 2025 population of 54. Willow Creek township is currently growing at a rate of 1.89% annually and its population has increased by 3.85% since the most recent census, which recorded a population of 52 in 2020.
The average household income in Willow Creek township is $55,239 with a poverty rate of 0%. The median age in Willow Creek township is 59.8 years: 59.1 years for males, and 64.5 years for females.