Swainsboro, GA has a population of 7,504 and is the 4,934th largest city in the United States. The population density is 597 per sq mi which is 219% higher than the Georgia average and 558% higher than the national average. The median age in Swainsboro is 29 which is approximately 20% lower than the Georgia average of 36. In Swainsboro, 34% of the population over 15 years of age are married, 93% speak English and 7% speak Spanish. 89% of Swainsboro residents were born in Georgia, 9% were born out of state, 0% were born outside of the United States and 1% were foreign born.