White to Non-White Racial Dissimilarity (5-year estimate) Index for Newton County, AR was 18.04% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Newton County, AR reached a record high of 50.23 in January of 2019 and a record low of 18.04 in January of 2022. 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 Newton County, AR - last updated from the United States Federal Reserve on May of 2024.