High School Graduate or Higher (5-year estimate) in Jefferson County, KY was 91.30% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Jefferson County, KY reached a record high of 91.30 in January of 2021 and a record low of 86.90 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 Jefferson County, KY - last updated from the United States Federal Reserve on May of 2024.