White to Non-White Racial Dissimilarity (5-year estimate) Index for Aransas County, TX was 29.27% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Aransas County, TX reached a record high of 42.95 in January of 2020 and a record low of 19.07 in January of 2011. 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 Aransas County, TX - last updated from the United States Federal Reserve on May of 2024.