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Sioux County
Also known as Sioux County, Nebraska, Sioux County, NE
county in Nebraska, United States
Key facts
- Country
- United States
- State
- Nebraska
- Founded
- February 19, 1877 (created), October 1, 1886 (organized)
- Named after
- Sioux people
- Seat
- Harrison
- Largest village
- Harrison
- Total
- 2,067.365 sq mi (5,354.45 km )
- Land
- 2,066.723 sq mi (5,352.79 km )
- Water
- 0.642 sq mi (1.66 km ) 0.03%
- Estimate 2025
- 1,188
- Density
- 0.5492/sq mi (0.2120/km )
- Time zone
- UTC−7 ( Mountain )
- Summer dst
~8 min read
Article
Sioux County is a county in the U.S. state of Nebraska. As of the 2020 census, the population was 1,135, and was estimated to be 1,188 in 2025. The county seat and the largest village is Harrison.
Sioux County is included in the Scottsbluff, NE micropolitan area.