High School Graduate or Higher (5-year estimate) in Limestone County, AL was 87.30% in January of 2022, according to the United States Federal Reserve. Historically, High School Graduate or Higher (5-year estimate) in Limestone County, AL reached a record high of 87.30 in January of 2022 and a record low of 80.40 in January of 2011. Trading Economics provides the current actual value, an historical data chart and related indicators for High School Graduate or Higher (5-year estimate) in Limestone County, AL - last updated from the United States Federal Reserve on May of 2024.