White to Non-White Racial Dissimilarity (5-year estimate) Index for Atoka County, OK was 24.62% in January of 2022, according to the United States Federal Reserve. Historically, White to Non-White Racial Dissimilarity (5-year estimate) Index for Atoka County, OK reached a record high of 36.39 in January of 2011 and a record low of 16.13 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 Atoka County, OK - last updated from the United States Federal Reserve on May of 2024.