White to Non-White Racial Dissimilarity (5-year estimate) Index for Dallas County, AR was 36.15% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Dallas County, AR reached a record high of 36.15 in January of 2022 and a record low of 17.51 in January of 2009. 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 Dallas County, AR - last updated from the United States Federal Reserve on June of 2024.