White to Non-White Racial Dissimilarity (5-year estimate) Index for Mississippi County, AR was 51.45% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Mississippi County, AR reached a record high of 52.34 in January of 2020 and a record low of 40.94 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 Mississippi County, AR - last updated from the United States Federal Reserve on May of 2024.