White to Non-White Racial Dissimilarity (5-year estimate) Index for Bennett County, SD was 2.29% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Bennett County, SD reached a record high of 48.34 in January of 2009 and a record low of 2.29 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 Bennett County, SD - last updated from the United States Federal Reserve on May of 2024.