White to Non-White Racial Dissimilarity (5-year estimate) Index for Idaho County, ID was 25.57% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Idaho County, ID reached a record high of 26.97 in January of 2014 and a record low of 13.17 in January of 2021. 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 Idaho County, ID - last updated from the United States Federal Reserve on May of 2024.