White to Non-White Racial Dissimilarity (5-year estimate) Index for McPherson County, KS was 37.68% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for McPherson County, KS reached a record high of 37.68 in January of 2022 and a record low of 12.67 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 McPherson County, KS - last updated from the United States Federal Reserve on May of 2024.