High School Graduate or Higher (5-year estimate) in Howard County, MD was 95.20% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Howard County, MD reached a record high of 95.50 in January of 2018 and a record low of 94.60 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 Howard County, MD - last updated from the United States Federal Reserve on May of 2024.