Piedmont, AL has a population of 4,728 and is the 6,704th largest city in the United States. The population density is 482 per sq mi which is 424% higher than the Alabama average and 432% higher than the national average. The median age in Piedmont is 43 which is approximately 12% higher than the Alabama average of 39. In Piedmont, 70% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 77% of Piedmont residents were born in Alabama, 20% were born out of state, 1% were born outside of the United States and 2% were foreign born.