White to Non-White Racial Dissimilarity (5-year estimate) Index for Harnett County, NC was 21.60% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Harnett County, NC reached a record high of 22.77 in January of 2010 and a record low of 14.75 in January of 2018. 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 Harnett County, NC - last updated from the United States Federal Reserve on May of 2024.