White to Non-White Racial Dissimilarity (5-year estimate) Index for Rush County, KS was 30.55% in January of 2019, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Rush County, KS reached a record high of 36.31 in January of 2012 and a record low of 11.75 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 Rush County, KS - last updated from the United States Federal Reserve on May of 2024.