White to Non-White Racial Dissimilarity (5-year estimate) Index for Montgomery County, IN was 39.27% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Montgomery County, IN reached a record high of 42.72 in January of 2014 and a record low of 29.23 in January of 2013. 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 Montgomery County, IN - last updated from the United States Federal Reserve on June of 2024.