Resident Population in Lumpkin County, GA was 36.01600 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Lumpkin County, GA reached a record high of 36.01600 in January of 2024 and a record low of 8.72800 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Lumpkin County, GA - last updated from the United States Federal Reserve on April of 2026.