White to Non-White Racial Dissimilarity (5-year estimate) Index for Santa Cruz County, CA was 50.57% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Santa Cruz County, CA reached a record high of 52.57 in January of 2021 and a record low of 49.77 in January of 2017. 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 Santa Cruz County, CA - last updated from the United States Federal Reserve on May of 2024.