White to Non-White Racial Dissimilarity (5-year estimate) Index for Douglas County, WI was 30.55% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Douglas County, WI reached a record high of 37.85 in January of 2019 and a record low of 17.92 in January of 2013. 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 Douglas County, WI - last updated from the United States Federal Reserve on May of 2024.