White to Non-White Racial Dissimilarity (5-year estimate) Index for Uvalde County, TX was 40.85% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Uvalde County, TX reached a record high of 40.85 in January of 2022 and a record low of 24.15 in January of 2012. 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 Uvalde County, TX - last updated from the United States Federal Reserve on May of 2024.