White to Non-White Racial Dissimilarity (5-year estimate) Index for Rhea County, TN was 25.68% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Rhea County, TN reached a record high of 36.42 in January of 2019 and a record low of 23.88 in January of 2011. 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 Rhea County, TN - last updated from the United States Federal Reserve on May of 2024.