White to Non-White Racial Dissimilarity (5-year estimate) Index for Roane County, WV was 45.72% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Roane County, WV reached a record high of 56.91 in January of 2016 and a record low of 28.26 in January of 2013. 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 Roane County, WV - last updated from the United States Federal Reserve on May of 2024.