White to Non-White Racial Dissimilarity (5-year estimate) Index for Blanco County, TX was 14.86% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Blanco County, TX reached a record high of 16.56 in January of 2021 and a record low of 5.44 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 Blanco County, TX - last updated from the United States Federal Reserve on May of 2024.