White to Non-White Racial Dissimilarity (5-year estimate) Index for Brown County, KS was 25.86% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Brown County, KS reached a record high of 25.86 in January of 2022 and a record low of 1.22 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 Brown County, KS - last updated from the United States Federal Reserve on May of 2024.