Pelham, AL has a population of 22,596 and is the 1,922nd largest city in the United States. The population density is 583 per sq mi which is 534% higher than the Alabama average and 543% higher than the national average. The median age in Pelham is 38 which is approximately 2% lower than the Alabama average of 39. In Pelham, 59% of the population over 15 years of age are married, 85% speak English and 12% speak Spanish. 61% of Pelham residents were born in Alabama, 29% were born out of state, 1% were born outside of the United States and 9% were foreign born.