Sioux Flag

Sioux

County:
Clay County
County Seat:
No
Area (mi²):
29.964
State:
Iowa

Sioux is located in Clay County, Iowa. Sioux has a 2025 population of 238 . 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 $104,484 with a poverty rate of 0%. The median age in Sioux is 25.3 years: 25.8 years for males, and 18.6 years for females. For every 100 females there are 75.0 males.

238
Total Population
8
Density (mi²)

Sioux Population

Sioux Population

Data after 2023 is projected based on recent change

Demographics

The racial composition of Sioux includes 97.9% White, and smaller percentages for Two or more races and multiracial populations.

Population by Race

White (97.9%)

Two or more races (2.1%)

Race
Population
Percentage (of total)
White23397.9%
Two or more races52.1%

Sioux Marital Status

OverallMalesFemales0%10%20%30%40%50%60%70%80%90%100%

Married

Widowed

Divorced

Separated

Never Married

Economics and Income Statistics

Sioux's average per capita income is $38,365. Household income levels show a median of $64,333. The poverty rate stands at 0%.

Families: A family includes the owner or renter of the home along with everyone related to them - whether through birth, marriage, or adoption. This includes relatives like spouses, children, parents, siblings, grandparents, and any other family members.
Households: A household includes all the people who occupy a housing unit (such as a house or apartment) as their usual place of residence.
Non Families: A nonfamily household is either someone living alone or when the owner/renter lives with people they aren't related to, like roommates.
Name
Median
Mean
Families$90,536$111,447
Married Families$90,536-
Households$64,333$104,484
Non Families--

$38,365

Average Income

$64,333

Median Household Income

0%

Poverty Rate

Nearby Cities

Sources

  1. US Census State Population Estimates - Most recent state estimates from the Census Bureau's Population Estimates Program
  2. US Census County Population Estimates - Most recent county estimates from the Census Bureau's Population Estimates Program
  3. American Community Survey (2009 - 2013)
  4. Census QuickFacts
  5. Historical Populations of States and Counties (1790 - 1990)