White to Non-White Racial Dissimilarity (5-year estimate) Index for Gem County, ID was 14.89% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Gem County, ID reached a record high of 31.68 in January of 2017 and a record low of 3.60 in January of 2009. 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 Gem County, ID - last updated from the United States Federal Reserve on May of 2024.