Estimate, Median Age by Sex, Total Population (5-year estimate) in Brantley County, GA was 40.20000 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 Brantley County, GA reached a record high of 41.10000 in January of 2019 and a record low of 37.20000 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 Brantley County, GA - last updated from the United States Federal Reserve on June of 2024.