White to Non-White Racial Dissimilarity (5-year estimate) Index for Lyon County, KS was 42.45% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Lyon County, KS reached a record high of 43.32 in January of 2020 and a record low of 34.99 in January of 2012. 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 Lyon County, KS - last updated from the United States Federal Reserve on May of 2024.