White to Non-White Racial Dissimilarity (5-year estimate) Index for Henry County, IL was 32.21% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Henry County, IL reached a record high of 47.06 in January of 2014 and a record low of 31.51 in January of 2020. 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 Henry County, IL - last updated from the United States Federal Reserve on May of 2024.