White to Non-White Racial Dissimilarity (5-year estimate) Index for Miller County, AR was 46.16% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Miller County, AR reached a record high of 54.57 in January of 2020 and a record low of 44.15 in January of 2015. 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 Miller County, AR - last updated from the United States Federal Reserve on June of 2024.