White to Non-White Racial Dissimilarity (5-year estimate) Index for Phelps County, MO was 28.77% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Phelps County, MO reached a record high of 47.83 in January of 2014 and a record low of 25.70 in January of 2019. 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 Phelps County, MO - last updated from the United States Federal Reserve on May of 2024.