White to Non-White Racial Dissimilarity (5-year estimate) Index for Placer County, CA was 24.46% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Placer County, CA reached a record high of 27.68 in January of 2012 and a record low of 24.03 in January of 2018. 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 Placer County, CA - last updated from the United States Federal Reserve on May of 2024.