White to Non-White Racial Dissimilarity (5-year estimate) Index for Marion County, OR was 34.91% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Marion County, OR reached a record high of 39.93 in January of 2019 and a record low of 34.91 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 Marion County, OR - last updated from the United States Federal Reserve on May of 2024.