White to Non-White Racial Dissimilarity (5-year estimate) Index for Houston County, AL was 41.15% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Houston County, AL reached a record high of 44.90 in January of 2010 and a record low of 41.15 in January of 2022. 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 Houston County, AL - last updated from the United States Federal Reserve on May of 2024.