Irondale, GA has a population of 8,472 and is the 4,478th largest city in the United States. The population density is 2,685 per sq mi which is 1509% higher than the Georgia average and 2864% higher than the national average. The median age in Irondale is 31 which is approximately 15% lower than the Georgia average of 36. In Irondale, 42% of the population over 15 years of age are married, 81% speak English and 9% speak Spanish. 49% of Irondale residents were born in Georgia, 36% were born out of state, 1% were born outside of the United States and 14% were foreign born.