Porterdale, GA has a population of 1,633 and is the 12,215th largest city in the United States. The population density is 705 per sq mi which is 322% higher than the Georgia average and 678% higher than the national average. The median age in Porterdale is 38 which is approximately 5% higher than the Georgia average of 36. In Porterdale, 47% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 72% of Porterdale residents were born in Georgia, 26% were born out of state, 0% were born outside of the United States and 2% were foreign born.