
Tuscaloosa County
- State:
- Alabama
- County Seat:
- Tuscaloosa
Tuscaloosa County's estimated 2025 population is 238,739 with a growth rate of 0.29% in the past year according to the most recent United States census data. Tuscaloosa County is the 6th largest county in Alabama. The 2010 population was 195,008 and has seen a growth of 22.43% since that time.