White to Non-White Racial Dissimilarity (5-year estimate) Index for Van Zandt County, TX was 26.03% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Van Zandt County, TX reached a record high of 26.03 in January of 2022 and a record low of 14.05 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 Van Zandt County, TX - last updated from the United States Federal Reserve on May of 2024.