White to Non-White Racial Dissimilarity (5-year estimate) Index for Butler County, OH was 35.91% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Butler County, OH reached a record high of 39.39 in January of 2010 and a record low of 35.08 in January of 2016. 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 Butler County, OH - last updated from the United States Federal Reserve on May of 2024.