Resident Population in Brantley County, GA was 18.40100 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Brantley County, GA reached a record high of 19.12400 in January of 2019 and a record low of 5.94000 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Brantley County, GA - last updated from the United States Federal Reserve on May of 2024.