| Donald Trump ✓Republican | 55.9% | 1,747 |
|---|---|---|
| Kamala HarrisDemocratic | 42.8% | 1,339 |
| OtherAll other candidates | 1.3% | 40 |
| Year | Margin (D minus R) |
|---|---|
| 2008 | +1.7% |
| 2012 | +7.8% |
| 2016 | −2.3% |
| 2020 | +4.0% |
| 2024 | −13.1% |
| Year | Won | Democratic | Republican | Other | Margin | Total |
|---|---|---|---|---|---|---|
| R | 42.8%Harris1,339 | 55.9%Trump1,747 | 1.3% | 3,126 | ||
| D | 51.1%Biden1,849 | 47.1%Trump1,703 | 1.8%incl. Jorgensen | 3,618 | ||
| R | 46.4%Clinton1,490 | 48.6%Trump1,563 | 5.0%incl. Johnson | 3,213 | ||
| D | 53.9%Obama1,694 | 46.1%Romney1,450 | 0.0% | 3,144 | ||
| D | 49.7%Obama1,619 | 48.0%McCain1,564 | 2.3% | 3,258 |
Demographics
Demographic Profile
Key indicators compared across containing geographies
| Indicator | South SiouxCity | NebraskaState | United StatesNation |
|---|---|---|---|
| Race & Ethnicity | |||
| White | 29.2% | 77.9% | 61.0% |
| Black | 13.3% | 4.8% | 12.2% |
| Asian | 3.4% | 2.6% | 6.0% |
| Two or more races | 23.4% | 9.1% | 12.6% |
| Other race | 30.7% | 5.7% | 8.2% |
| Hispanic or Latino | 52.8% | 12.7% | 19.3% |
| Income & Age | |||
| Median household income | $68,223 | $76,475 | $84,427 |
| Poverty rate | 12.2% | 10.6% | 12.5% |
| Median age | 30.5 | 37.3 | 39.1 |
| Age 18–24 | 9.8% | 9.8% | 9.2% |
| Age 65 and older | 12.7% | 16.8% | 17.2% |
| Education & Language | |||
| Bachelor's degree or higher (25+) | 14.6% | 34.7% | 35.6% |
| Speaks a non-English language at home | 40.6% | 12.8% | 22.3% |
| Spanish | 31.4% | 8.5% | 13.6% |
| Other languages | 5.8% | 0.6% | 0.8% |
| Other Asian & Pacific Island | 2.1% | 0.8% | 1.1% |
| Ancestry | |||
| Largest ancestry | Mexican 36.7% | German 31.0% | German 12.5% |
| 2nd-largest ancestry | German 15.2% | Irish 11.7% | Mexican 11.3% |
| 3rd-largest ancestry | Irish 9.9% | English 9.4% | English 9.5% |
| Religion | |||
| Catholic | 25.7%County context | 19.1% | 18.6% |
| Evangelical Protestant | 8.4%County context | 14.2% | 16.5% |
| Unaffiliated or unclaimed | 57.9%County context | 50.8% | 51.5% |
| Mainline Protestant | 7.3%County context | 12.1% | 5.2% |
ACS values are survey estimates and may include margins of error.
Religion data may be available only at county or larger geographies. Sub-county values are labeled when inherited, modeled, or contextual.
South Sioux sits in the Great Plains. In 2024 it voted Republican.
Across the recorded series it reached a Democratic high of 7.8 points in 2012 and a Republican high of 13.1 points in 2024. Between 2020 and 2024 the city moved 17.1 points toward the Republican candidate; the 2024 margin was 13.1 points.
A population of 13,907, a 29% non-Hispanic-white share, and a median household income of $68,223 describe the city.
Compare two places, side by side
Twelve curated comparisons line up election history, demographics, and the divergence story for two places at a glance. Browse all comparisons →
South Sioux, Nebraska. Akashic. https://akashic.app/city/3146030/. Accessed May 20, 2026. License: CC BY 4.0.