Resident Population in Irwin County, GA was 9.12000 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Irwin County, GA reached a record high of 10.14300 in January of 2008 and a record low of 8.03600 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Irwin County, GA - last updated from the United States Federal Reserve on May of 2024.