Alexander City, AL has a population of 14,859 and is the 2,859th largest city in the United States. The population density is 354 per sq mi which is 285% higher than the Alabama average and 291% higher than the national average. The median age in Alexander City is 40 which is approximately 2% higher than the Alabama average of 39. In Alexander City, 56% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 87% of Alexander City residents were born in Alabama, 10% were born out of state, 0% were born outside of the United States and 3% were foreign born.