White to Non-White Racial Dissimilarity (5-year estimate) Index for Lake County, SD was 16.38% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Lake County, SD reached a record high of 37.48 in January of 2018 and a record low of 13.35 in January of 2011. 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 Lake County, SD - last updated from the United States Federal Reserve on May of 2024.