Alston, GA has a population of 154 and is the 25,530th largest city in the United States. The population density is 54 per sq mi which is 68% lower than the Georgia average and 40% lower than the national average. The median age in Alston is 49 which is approximately 34% higher than the Georgia average of 36. In Alston, 72% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 75% of Alston residents were born in Georgia, 17% were born out of state, 0% were born outside of the United States and 8% were foreign born.