White to Non-White Racial Dissimilarity (5-year estimate) Index for Pima County, AZ was 41.19% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Pima County, AZ reached a record high of 42.95 in January of 2011 and a record low of 40.43 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 Pima County, AZ - last updated from the United States Federal Reserve on May of 2024.