
Horse Creek
- County:
- Mellette County
- County Seat:
- No
- Area (mi²):
- 0.95
- State:
- South Dakota
Horse Creek is a CDP located in Mellette County, South Dakota. Horse Creek has a 2025 population of 259. Horse Creek is currently growing at a rate of 7.02% annually and its population has increased by 48% since the most recent census, which recorded a population of 175 in 2020.
The average household income in Horse Creek is $24,431 with a poverty rate of 97.56%. The median age in Horse Creek is 15.7 years: 16.2 years for males, and 15.6 years for females.