Andalusia, AL has a population of 9,042 and is the 4,246th largest city in the United States. The population density is 460 per sq mi which is 400% higher than the Alabama average and 408% higher than the national average. The median age in Andalusia is 41 which is approximately 7% higher than the Alabama average of 39. In Andalusia, 59% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 73% of Andalusia residents were born in Alabama, 25% were born out of state, 0% were born outside of the United States and 2% were foreign born.