White to Non-White Racial Dissimilarity (5-year estimate) Index for Montgomery County, AR was 27.86% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Montgomery County, AR reached a record high of 38.05 in January of 2020 and a record low of 3.08 in January of 2014. 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 Montgomery County, AR - last updated from the United States Federal Reserve on May of 2024.