White to Non-White Racial Dissimilarity (5-year estimate) Index for McLean County, KY was 34.82% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for McLean County, KY reached a record high of 43.92 in January of 2021 and a record low of 19.28 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 McLean County, KY - last updated from the United States Federal Reserve on May of 2024.