White to Non-White Racial Dissimilarity (5-year estimate) Index for Stephens County, OK was 29.74% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Stephens County, OK reached a record high of 44.46 in January of 2011 and a record low of 29.41 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 Stephens County, OK - last updated from the United States Federal Reserve on May of 2024.