Green Valley is a CDP located in Pennington County, South Dakota. Green Valley has a 2025 population of 1,459 . Green Valley is currently growing at a rate of 2.46% annually and its population has increased by 16.53% since the most recent census, which recorded a population of 1,252 in 2020.
The average household income in Green Valley is $78,414 with a poverty rate of 20.14%. The median age in Green Valley is 34.1 years: 34.5 years for males, and 34.1 years for females. For every 100 females there are 83.1 males.
Data after 2023 is projected based on recent change
The racial composition of Green Valley includes 73.72% White, 22.55% Native American, and smaller percentages for and multiracial populations.
White (73.72%)
Native American (22.55%)
Two or more races (3.73%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 1,108 | 73.72% |
| Native American | 339 | 22.55% |
| Two or more races | 56 | 3.73% |
Married
Widowed
Divorced
Separated
Never Married
Green Valley's average per capita income is $39,005. Household income levels show a median of $78,801. The poverty rate stands at 20.14%.
Name | Median | Mean |
|---|---|---|
| Married Families | $100,938 | - |
| Families | $79,082 | $83,339 |
| Households | $78,801 | $78,414 |
| Non Families | - | $30,427 |
Average Income
Median Household Income
Poverty Rate