Alto, GA has a population of 1,043 and is the 14,886th largest city in the United States. The population density is 943 per sq mi which is 465% higher than the Georgia average and 941% higher than the national average. The median age in Alto is 32 which is approximately 11% lower than the Georgia average of 36. In Alto, 55% of the population over 15 years of age are married, 60% speak English and 40% speak Spanish. 60% of Alto residents were born in Georgia, 15% were born out of state, 1% were born outside of the United States and 24% were foreign born.