High School Graduate or Higher (5-year estimate) in Hampden County, MA was 86.70% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Hampden County, MA reached a record high of 86.70 in January of 2022 and a record low of 83.20 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 Hampden County, MA - last updated from the United States Federal Reserve on May of 2024.