White to Non-White Racial Dissimilarity (5-year estimate) Index for La Plata County, CO was 15.62% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for La Plata County, CO reached a record high of 27.78 in January of 2010 and a record low of 13.35 in January of 2021. 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 La Plata County, CO - last updated from the United States Federal Reserve on May of 2024.