Population Estimate, Total, Hispanic or Latino (5-year estimate) in Sioux County, NE was 55.00000 Persons in January of 2022, according to the United States Federal Reserve. Historically, Population Estimate, Total, Hispanic or Latino (5-year estimate) in Sioux County, NE reached a record high of 66.00000 in January of 2014 and a record low of 6.00000 in January of 2018. Trading Economics provides the current actual value, an historical data chart and related indicators for Population Estimate, Total, Hispanic or Latino (5-year estimate) in Sioux County, NE - last updated from the United States Federal Reserve on May of 2024.