White to Non-White Racial Dissimilarity (5-year estimate) Index for Trinity County, CA was 13.31% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Trinity County, CA reached a record high of 31.39 in January of 2017 and a record low of 12.54 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 Trinity County, CA - last updated from the United States Federal Reserve on May of 2024.