White to Non-White Racial Dissimilarity (5-year estimate) Index for Menard County, IL was 23.19% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Menard County, IL reached a record high of 44.84 in January of 2009 and a record low of 3.81 in January of 2017. 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 Menard County, IL - last updated from the United States Federal Reserve on May of 2024.