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. For every 100 females there are 89.8 males.
Data after 2023 is projected based on recent change
The racial composition of Horse Creek includes 100% Native American, and smaller percentages for and multiracial populations.
Native American (100%)
Race | Population | Percentage (of total) |
|---|---|---|
| Native American | 205 | 100% |
Married
Widowed
Divorced
Separated
Never Married
Horse Creek's average per capita income is $0. Household income levels show a median of $0. The poverty rate stands at 97.56%.
Name | Median | Mean |
|---|---|---|
| Families | $35,625 | $32,004 |
| Households | - | $24,431 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate