White to Non-White Racial Dissimilarity (5-year estimate) Index for Jefferson County, WA was 21.01% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Jefferson County, WA reached a record high of 21.01 in January of 2022 and a record low of 13.02 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 Jefferson County, WA - last updated from the United States Federal Reserve on May of 2024.