Alamo, GA has a population of 3,376 and is the 8,224th largest city in the United States. The population density is 1,723 per sq mi which is 932% higher than the Georgia average and 1802% higher than the national average. The median age in Alamo is 36 which is approximately 1% lower than the Georgia average of 36. In Alamo, 22% of the population over 15 years of age are married, 96% speak English and 4% speak Spanish. 75% of Alamo residents were born in Georgia, 22% were born out of state, 0% were born outside of the United States and 3% were foreign born.