Sioux County's 2026 population is estimated at 995, reflecting a -4.97% growth rate over the past year (World Population Review estimate based on U.S. Census Bureau data). Sioux County is the 81st largest county in Nebraska. The 2010 population was 1,307 and has grown -23.87% since 2010.
Data after 2023 is projected based on recent change
Overall: 43.7 years
Female: 41.2 years
Male: 49.5 years
There are 926 adults, (322 of whom are seniors) in Sioux County.
Female: 602 (51.4%)
Male: 569 (48.6%)
The racial composition of Sioux County includes 96.33% White, and smaller percentages for Two or more races, other race, Asian, Black or African American and multiracial populations.
| Race | Population ↓ | Percentage (of total) |
|---|---|---|
| White | 1,128 | 96.33% |
| Two or more races | 33 | 2.82% |
| Other race | 7 | 0.6% |
| Asian | 2 | 0.17% |
| Black or African American | 1 | 0.09% |
Sioux County 's average per capita income is $39,200. Household income levels show a median of $53,929. The poverty rate stands at 14.94%.
| Name | Median ↓ | Mean |
|---|---|---|
| Married Families | $76,125 | - |
| Families | $71,375 | $86,549 |
| Households | $53,929 | $74,962 |
| Non Families | $38,750 | $51,340 |
Average Income
Median Household Income
Poverty Rate
