White to Non-White Racial Dissimilarity (5-year estimate) Index for Brule County, SD was 17.17% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Brule County, SD reached a record high of 51.45 in January of 2009 and a record low of 2.05 in January of 2013. 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 Brule County, SD - last updated from the United States Federal Reserve on May of 2024.