Resident Population in Franklin County, AL was 31.87400 Thous. of Persons in January of 2024, according to the United States Federal Reserve. Historically, Resident Population in Franklin County, AL reached a record high of 32.07600 in January of 2020 and a record low of 23.93300 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Franklin County, AL - last updated from the United States Federal Reserve on April of 2026.