White to Non-White Racial Dissimilarity (5-year estimate) Index for White County, IL was 14.91% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for White County, IL reached a record high of 27.99 in January of 2010 and a record low of 6.47 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 White County, IL - last updated from the United States Federal Reserve on May of 2024.