Resident Population in Tattnall County, GA was 24.27500 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Tattnall County, GA reached a record high of 25.63200 in January of 2013 and a record low of 15.70000 in January of 1972. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Tattnall County, GA - last updated from the United States Federal Reserve on April of 2026.