Tuscaloosa, AL has a population of 96,352 and is the 324th largest city in the United States. The population density is 1,563 per sq mi which is 1599% higher than the Alabama average and 1625% higher than the national average. The median age in Tuscaloosa is 29 which is approximately 26% lower than the Alabama average of 39. In Tuscaloosa, 38% of the population over 15 years of age are married, 94% speak English and 3% speak Spanish. 66% of Tuscaloosa residents were born in Alabama, 28% were born out of state, 1% were born outside of the United States and 5% were foreign born.