White to Non-White Racial Dissimilarity (5-year estimate) Index for Winston County, MS was 20.51% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Winston County, MS reached a record high of 29.58 in January of 2017 and a record low of 19.11 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 Winston County, MS - last updated from the United States Federal Reserve on May of 2024.