White to Non-White Racial Dissimilarity (5-year estimate) Index for Brown County, TX was 25.03% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Brown County, TX reached a record high of 30.85 in January of 2014 and a record low of 19.84 in January of 2019. 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 Brown County, TX - last updated from the United States Federal Reserve on May of 2024.