High School Graduate or Higher (5-year estimate) in Blaine County, OK was 82.60% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Blaine County, OK reached a record high of 85.40 in January of 2015 and a record low of 80.50 in January of 2012. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in Blaine County, OK - last updated from the United States Federal Reserve on May of 2024.