Atlanta, GA has a population of 456,378 and is the 39th largest city in the United States. The population density is 3,420 per sq mi which is 1949% higher than the Georgia average and 3675% higher than the national average. The median age in Atlanta is 34 which is approximately 7% lower than the Georgia average of 36. In Atlanta, 34% of the population over 15 years of age are married, 90% speak English and 4% speak Spanish. 53% of Atlanta residents were born in Georgia, 39% were born out of state, 1% were born outside of the United States and 7% were foreign born.