White to Non-White Racial Dissimilarity (5-year estimate) Index for Sioux County, ND was 2.82% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Sioux County, ND reached a record high of 68.53 in January of 2013 and a record low of 2.82 in January of 2022. Trading Economics provides the current actual value, an historical data chart and related indicators for White to Non-White Racial Dissimilarity (5-year estimate) Index for Sioux County, ND - last updated from the United States Federal Reserve on May of 2024.