Estimate, Median Age by Sex, Total Population (5-year estimate) in Caroline County, MD was 39.50000 Years of Age in January of 2022, according to the United States Federal Reserve. Historically, Estimate, Median Age by Sex, Total Population (5-year estimate) in Caroline County, MD reached a record high of 40.20000 in January of 2018 and a record low of 37.80000 in January of 2010. Trading Economics provides the current actual value, an historical data chart and related indicators for Estimate, Median Age by Sex, Total Population (5-year estimate) in Caroline County, MD - last updated from the United States Federal Reserve on June of 2024.