Dock Junction, GA has a population of 6,822 and is the 5,270th largest city in the United States. The population density is 729 per sq mi which is 337% higher than the Georgia average and 705% higher than the national average. The median age in Dock Junction is 40 which is approximately 12% higher than the Georgia average of 36. In Dock Junction, 49% of the population over 15 years of age are married, 95% speak English and 5% speak Spanish. 71% of Dock Junction residents were born in Georgia, 26% were born out of state, 0% were born outside of the United States and 3% were foreign born.