White to Non-White Racial Dissimilarity (5-year estimate) Index for Iron County, MO was 14.95% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Iron County, MO reached a record high of 30.39 in January of 2009 and a record low of 6.27 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 Iron County, MO - last updated from the United States Federal Reserve on May of 2024.