White to Non-White Racial Dissimilarity (5-year estimate) Index for Adams County, WA was 43.42% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Adams County, WA reached a record high of 52.87 in January of 2013 and a record low of 43.42 in January of 2022. 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 Adams County, WA - last updated from the United States Federal Reserve on May of 2024.