White to Non-White Racial Dissimilarity (5-year estimate) Index for Jerome County, ID was 20.28% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Jerome County, ID reached a record high of 23.53 in January of 2012 and a record low of 11.26 in January of 2017. 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 Jerome County, ID - last updated from the United States Federal Reserve on May of 2024.