White to Non-White Racial Dissimilarity (5-year estimate) Index for Winkler County, TX was 26.48% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Winkler County, TX reached a record high of 26.48 in January of 2022 and a record low of 6.66 in January of 2013. 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 Winkler County, TX - last updated from the United States Federal Reserve on May of 2024.