White to Non-White Racial Dissimilarity (5-year estimate) Index for Rooks County, KS was 4.18% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Rooks County, KS reached a record high of 41.18 in January of 2011 and a record low of 0.36 in January of 2014. 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 Rooks County, KS - last updated from the United States Federal Reserve on May of 2024.