High School Graduate or Higher (5-year estimate) in Clayton County, IA was 90.70% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Clayton County, IA reached a record high of 91.90 in January of 2015 and a record low of 89.90 in January of 2019. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in Clayton County, IA - last updated from the United States Federal Reserve on May of 2024.