White to Non-White Racial Dissimilarity (5-year estimate) Index for Rockingham County, VA was 28.29% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Rockingham County, VA reached a record high of 34.35 in January of 2015 and a record low of 27.34 in January of 2020. 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 Rockingham County, VA - last updated from the United States Federal Reserve on May of 2024.