Resident Population in Miller County, GA was 5.74700 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Miller County, GA reached a record high of 7.03800 in January of 1980 and a record low of 5.64600 in January of 2018. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Miller County, GA - last updated from the United States Federal Reserve on May of 2024.