Fort Payne, AL has a population of 14,101 and is the 2,975th largest city in the United States. The population density is 251 per sq mi which is 173% higher than the Alabama average and 177% higher than the national average. The median age in Fort Payne is 38 which is approximately 3% lower than the Alabama average of 39. In Fort Payne, 56% of the population over 15 years of age are married, 80% speak English and 19% speak Spanish. 65% of Fort Payne residents were born in Alabama, 22% were born out of state, 1% were born outside of the United States and 11% were foreign born.