White to Non-White Racial Dissimilarity (5-year estimate) Index for Osage County, OK was 60.02% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Osage County, OK reached a record high of 65.23 in January of 2010 and a record low of 56.99 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 Osage County, OK - last updated from the United States Federal Reserve on May of 2024.