White to Non-White Racial Dissimilarity (5-year estimate) Index for Smith County, MS was 32.14% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Smith County, MS reached a record high of 36.28 in January of 2020 and a record low of 2.45 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 Smith County, MS - last updated from the United States Federal Reserve on May of 2024.