White to Non-White Racial Dissimilarity (5-year estimate) Index for Phillips County, CO was 28.85% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Phillips County, CO reached a record high of 42.42 in January of 2011 and a record low of 28.10 in January of 2020. 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 Phillips County, CO - last updated from the United States Federal Reserve on May of 2024.