White to Non-White Racial Dissimilarity (5-year estimate) Index for District of Columbia was 57.44% in January of 2020, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for District of Columbia reached a record high of 66.94 in January of 2009 and a record low of 56.16 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 District of Columbia - last updated from the United States Federal Reserve on April of 2024.