White to Non-White Racial Dissimilarity (5-year estimate) Index for Chesterfield County, SC was 21.04% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Chesterfield County, SC reached a record high of 25.82 in January of 2018 and a record low of 17.27 in January of 2009. 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 Chesterfield County, SC - last updated from the United States Federal Reserve on May of 2024.