Resident Population in Tuscaloosa County, AL was 237.37300 Thous. of Persons in January of 2023, according to the United States Federal Reserve. Historically, Resident Population in Tuscaloosa County, AL reached a record high of 237.37300 in January of 2023 and a record low of 116.02900 in January of 1970. Trading Economics provides the current actual value, an historical data chart and related indicators for Resident Population in Tuscaloosa County, AL - last updated from the United States Federal Reserve on May of 2024.