White to Non-White Racial Dissimilarity (5-year estimate) Index for Gibson County, IN was 48.09% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Gibson County, IN reached a record high of 48.09 in January of 2022 and a record low of 31.95 in January of 2018. 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 Gibson County, IN - last updated from the United States Federal Reserve on May of 2024.