High School Graduate or Higher (5-year estimate) in Polk County, AR was 88.00% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Polk County, AR reached a record high of 88.50 in January of 2021 and a record low of 80.40 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in Polk County, AR - last updated from the United States Federal Reserve on May of 2024.