How many people live in Sioux County, NE?
Updated Apr. 6, 2026Refreshed annually
In 2024, there were about 1,100 people living in Sioux County, NE. That makes Sioux County the 81st-most populous county in Nebraska. It is home to 0.05% of people living in the state.
1.1K
population of Sioux County, NE (2024)
0.05%
County share of the Nebraska population (2024)
About 1,100 people lived in Sioux County, NE in 2024.
Population estimates, 2000–2024
What are Sioux County, NE’s age demographics?
About 350 Sioux County, NE residents are aged 65 and older in 2024. That represents 31.8% of its population. For comparison, the age group represents 17.5% of Nebraska’s population and 18% in the US overall.
Another 200 Sioux County residents, or 18.2% of the population, were children under 18. For comparison, the age group represents 24.2% of Nebraska’s population and 21.6% in the US overall.
A higher share of Sioux County, NE's population is aged 65 or older than the US as a whole.
Population estimates by age group, (2024)
What are Sioux County, NE’s racial and ethnic demographics?
Non-Hispanic white residents make up 90.2% of the Sioux County, NE population, higher than the national share of 57.5%. Sioux County, NE also has a larger share of people identifying as non-Hispanic American Indian and Alaska Native (0.91%) than the US overall (0.72%).
In contrast, Sioux County’s Hispanic population accounts for 6.6%, below the 20% nationwide, and the non-Hispanic Black or African American population makes up 0.55% of the county, compared with 12.6% nationally.
Racial and ethnic make up differ based on location. These figures reflect how people identified their race alone (not in combination with other races), and separate out Hispanic or Latino ethnicity, following Census reporting standards.
Sioux County, NE has a higher share of a non-Hispanic white population than Nebraska as a whole.
Population estimates by race and ethnicity, (2024)
The largest city or town in Sioux County, NE is Harrison with about 228 residents in 2024.
Cities and towns in Sioux County, NE ranked by population
Population (2024), includes only portions within county
| City or town | Population | |
|---|---|---|
| 1. | Harrison | 228 |
| 2. | Balance of Sioux County | 871 |
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Methodology
USAFacts standardizes data, in areas such as time and demographics, to make it easier to understand and compare.
The analysis was generated with the help of AI and reviewed by USAFacts for accuracy.
Page sources
USAFacts endeavors to share the most up-to-date information available. We sourced the data on this page directly from government agencies; however, the intervals at which agencies publish updated data vary.
