High School Graduate or Higher (5-year estimate) in Lancaster County, PA was 87.00% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Lancaster County, PA reached a record high of 87.00 in January of 2022 and a record low of 82.30 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 Lancaster County, PA - last updated from the United States Federal Reserve on May of 2024.