White to Non-White Racial Dissimilarity (5-year estimate) Index for Porter County, IN was 30.68% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Porter County, IN reached a record high of 31.71 in January of 2010 and a record low of 25.02 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 Porter County, IN - last updated from the United States Federal Reserve on June of 2024.