White to Non-White Racial Dissimilarity (5-year estimate) Index for Duval County, TX was 25.30% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Duval County, TX reached a record high of 48.05 in January of 2019 and a record low of 13.25 in January of 2014. 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 Duval County, TX - last updated from the United States Federal Reserve on May of 2024.