White to Non-White Racial Dissimilarity (5-year estimate) Index for Wilkes County, NC was 31.78% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Wilkes County, NC reached a record high of 37.89 in January of 2010 and a record low of 26.11 in January of 2019. 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 Wilkes County, NC - last updated from the United States Federal Reserve on May of 2024.