Resident Population in Dallas County, AL was 36.16500 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Dallas County, AL reached a record high of 58.40000 in January of 1975 and a record low of 36.16500 in January of 2023. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Dallas County, AL - last updated from the United States Federal Reserve on May of 2024.