Resident Population in Clay County, GA was 2.81500 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Clay County, GA reached a record high of 3.70000 in January of 1972 and a record low of 2.81500 in January of 2024. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Clay County, GA - last updated from the United States Federal Reserve on April of 2026.