Star Valley is located in Gregory County, South Dakota. Star Valley has a 2025 population of 82 . Star Valley is currently growing at a rate of 1.23% annually and its population has increased by 5.13% since the most recent census, which recorded a population of 78 in 2020.
The average household income in Star Valley is $108,661 with a poverty rate of 9.46%. The median age in Star Valley is 37.6 years: 39.8 years for males, and 35.3 years for females. For every 100 females there are 64.4 males.
Data after 2023 is projected based on recent change
The racial composition of Star Valley includes 97.3% White, and smaller percentages for Two or more races and multiracial populations.
White (97.3%)
Two or more races (2.7%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 72 | 97.3% |
| Two or more races | 2 | 2.7% |
Married
Widowed
Divorced
Separated
Never Married
Star Valley's average per capita income is $46,250. Household income levels show a median of $130,156. The poverty rate stands at 9.46%.
Name | Median | Mean |
|---|---|---|
| Married Families | $130,469 | - |
| Families | $130,313 | $113,600 |
| Households | $130,156 | $108,661 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate