According to the United States Census Bureau, the city has a total area of , of which is land and , is water as of 2023. Most water within the city limits is in Lake Tuscaloosa, which is entirely in the city limits, and the Black Warrior River.
According to the United States Census Bureau the city has a total area of  of which is land and  is water as of 2023 Most water within the city limits is in Lake Tuscaloosa which is entirely in the city limits and the Black Warrior River