White to Non-White Racial Dissimilarity (5-year estimate) Index for Wasco County, OR was 16.15% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Wasco County, OR reached a record high of 31.38 in January of 2011 and a record low of 16.15 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 Wasco County, OR - last updated from the United States Federal Reserve on May of 2024.