Sioux Valley is located in Union County, South Dakota. Sioux Valley has a 2025 population of 252 . Sioux Valley is currently growing at a rate of 2.86% annually and its population has increased by 11.5% since the most recent census, which recorded a population of 226 in 2020.
The average household income in Sioux Valley is $170,272 with a poverty rate of 0%. The median age in Sioux Valley is 50.7 years: 50.5 years for males, and 50.9 years for females. For every 100 females there are 98.2 males.
Data after 2023 is projected based on recent change
The racial composition of Sioux Valley includes 89.19% White, 10.81% Native American, and smaller percentages for and multiracial populations.
White (89.19%)
Native American (10.81%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 99 | 89.19% |
| Native American | 12 | 10.81% |
Married
Widowed
Divorced
Separated
Never Married
Sioux Valley's average per capita income is $0. Household income levels show a median of $0. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Households | - | $170,272 |
| Families | - | $194,342 |
| Married Families | - | - |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate