White to Non-White Racial Dissimilarity (5-year estimate) Index for Guilford County, NC was 45.43% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Guilford County, NC reached a record high of 48.93 in January of 2012 and a record low of 45.43 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 Guilford County, NC - last updated from the United States Federal Reserve on May of 2024.