Putnam, AL has a population of 107 and is the 26,743rd largest city in the United States. The population density is 11 per sq mi which is 88% lower than the Alabama average and 88% lower than the national average. The median age in Putnam is 58 which is approximately 50% higher than the Alabama average of 39. In Putnam, 69% of the population over 15 years of age are married, 100% speak English and 0% speak Spanish. 100% of Putnam residents were born in Alabama, 0% were born out of state, 0% were born outside of the United States and 0% were foreign born.