White to Non-White Racial Dissimilarity (5-year estimate) Index for Union County, IN was 18.56% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Union County, IN reached a record high of 45.72 in January of 2014 and a record low of 16.08 in January of 2019. 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 Union County, IN - last updated from the United States Federal Reserve on May of 2024.