White to Non-White Racial Dissimilarity (5-year estimate) Index for Cimarron County, OK was 36.33% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Cimarron County, OK reached a record high of 37.28 in January of 2021 and a record low of 18.67 in January of 2016. 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 Cimarron County, OK - last updated from the United States Federal Reserve on May of 2024.