White to Non-White Racial Dissimilarity (5-year estimate) Index for Hamlin County, SD was 0.30% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Hamlin County, SD reached a record high of 35.56 in January of 2018 and a record low of 0.30 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 Hamlin County, SD - last updated from the United States Federal Reserve on May of 2024.