White to Non-White Racial Dissimilarity (5-year estimate) Index for Washington County, NC was 9.71% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Washington County, NC reached a record high of 22.81 in January of 2014 and a record low of 9.71 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 Washington County, NC - last updated from the United States Federal Reserve on May of 2024.