White to Non-White Racial Dissimilarity (5-year estimate) Index for Whatcom County, WA was 25.00% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Whatcom County, WA reached a record high of 25.11 in January of 2020 and a record low of 17.95 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 Whatcom County, WA - last updated from the United States Federal Reserve on May of 2024.