White to Non-White Racial Dissimilarity (5-year estimate) Index for Iredell County, NC was 32.55% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Iredell County, NC reached a record high of 40.88 in January of 2013 and a record low of 30.69 in January of 2009. 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 Iredell County, NC - last updated from the United States Federal Reserve on May of 2024.