White to Non-White Racial Dissimilarity (5-year estimate) Index for Rowan County, NC was 38.84% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Rowan County, NC reached a record high of 44.90 in January of 2010 and a record low of 36.91 in January of 2021. 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 Rowan County, NC - last updated from the United States Federal Reserve on May of 2024.