White to Non-White Racial Dissimilarity (5-year estimate) Index for Cumberland County, NC was 30.28% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Cumberland County, NC reached a record high of 31.12 in January of 2009 and a record low of 27.32 in January of 2017. 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 Cumberland County, NC - last updated from the United States Federal Reserve on May of 2024.