Garden City, GA has a population of 8,889 and is the 4,315th largest city in the United States. The population density is 623 per sq mi which is 273% higher than the Georgia average and 588% higher than the national average. The median age in Garden City is 32 which is approximately 12% lower than the Georgia average of 36. In Garden City, 38% of the population over 15 years of age are married, 84% speak English and 14% speak Spanish. 67% of Garden City residents were born in Georgia, 24% were born out of state, 1% were born outside of the United States and 8% were foreign born.