White to Non-White Racial Dissimilarity (5-year estimate) Index for Alleghany County, VA was 29.43% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Alleghany County, VA reached a record high of 51.44 in January of 2009 and a record low of 22.64 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 Alleghany County, VA - last updated from the United States Federal Reserve on May of 2024.