White to Non-White Racial Dissimilarity (5-year estimate) Index for Llano County, TX was 28.08% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Llano County, TX reached a record high of 36.90 in January of 2018 and a record low of 19.53 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 Llano County, TX - last updated from the United States Federal Reserve on May of 2024.