Sioux is located in Lyon County, Iowa. Sioux has a 2025 population of 411. Sioux is currently declining at a rate of 0% annually and its population has decreased by 0% since the most recent census, which recorded a population of 0 in 2020.
The average household income in Sioux is $97,926 with a poverty rate of 0%.The median age in Sioux is 49.4 years: 51.1 years for males, and 49.4 years for females.
Data after 2023 is projected based on recent change
The racial composition of Sioux includes 97.08% White, and smaller percentages for Two or more races and multiracial populations.
White (97.1%)
Two or more races (2.9%)
Race | Population | Percentage (of total) |
|---|---|---|
| White | 399 | 97.08% |
| Two or more races | 12 | 2.92% |
Married
Widowed
Divorced
Separated
Never Married
Sioux's average per capita income is $54,167. Household income levels show a median of $115,271. The poverty rate stands at 0%.
Name | Median | Mean |
|---|---|---|
| Married Families | $115,792 | - |
| Families | $115,604 | $99,339 |
| Households | $115,271 | $97,926 |
| Non Families | - | - |
Average Income
Median Household Income
Poverty Rate