High School Graduate or Higher (5-year estimate) in Hill County, TX was 85.60% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Hill County, TX reached a record high of 85.60 in January of 2022 and a record low of 78.10 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 Hill County, TX - last updated from the United States Federal Reserve on May of 2024.