White to Non-White Racial Dissimilarity (5-year estimate) Index for Zavala County, TX was 27.92% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Zavala County, TX reached a record high of 71.30 in January of 2018 and a record low of 12.69 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 Zavala County, TX - last updated from the United States Federal Reserve on May of 2024.