White to Non-White Racial Dissimilarity (5-year estimate) Index for Dillon County, SC was 28.56% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Dillon County, SC reached a record high of 30.12 in January of 2020 and a record low of 16.87 in January of 2010. 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 Dillon County, SC - last updated from the United States Federal Reserve on May of 2024.