South Sioux City city, Nebraska Demographics & Population 2026

Population Overview

South Sioux City city is a small city located in Nebraska, within Dakota County. The total population is 13,871. It ranks as the 14th most populous out of 584 cities and towns in Nebraska.

Age Demographics

The median age in South Sioux City city is 30.9 years. This is 17% lower than the state median of 37.1 years. With 31.4% of the population under 18, South Sioux City city has a notably young demographic profile, suggesting a family-oriented community.

Economy, Income & Housing

The median household income in South Sioux City city is $68,397. This is 9% lower than the state median of $74,985. Compared to the national median of $78,538, household income here is 13% lower. The poverty rate stands at 10.9%. This is 5% higher than the state poverty rate of 10.3%. The unemployment rate is 4.1%. This is 38% higher than the state rate of 3.0%. The median home value is $160,900. Housing costs are 28% lower than the state median of $223,800. With a home-value-to-income ratio of just 2.4x, South Sioux City city is one of the most affordable housing markets in the area. 55.9% of occupied housing units are owner-occupied. This homeownership rate is 16% lower than the state average of 66.5%.

Race & Ethnicity

The largest racial or ethnic group in South Sioux City city is Hispanic or Latino, making up 51.9% of the population. White (non-Hispanic) residents account for 28.3%. The White (non-Hispanic) population (28.3%) is well below the state average of 76.2%. The Black or African American population is significantly higher than the state average (12.4% vs 4.6%). The Hispanic or Latino population is significantly higher than the state average (51.9% vs 12.3%).

Education

15.9% of residents aged 25 and older hold a bachelor's degree or higher. This is 53% lower than the state rate of 34.1%. Nationally, 35.0% of adults hold at least a bachelor's degree. The high school graduation rate (or equivalent) is 77.5%.

Data Sources & Methodology

All demographic data for South Sioux City city, Nebraska is sourced from the U.S. Census Bureau's American Community Survey (ACS) 5-Year Estimates (2019-2023). The ACS collects data from approximately 3.5 million households annually, providing reliable estimates for communities of all sizes. Comparisons are made against Nebraska state averages and national averages calculated from the same dataset. Rankings reflect the city's position among all 584 Census-designated places in Nebraska. For official data, visit data.census.gov.