Fairmount, GA has a population of 928 and is the 15,599th largest city in the United States. The population density is 519 per sq mi which is 211% higher than the Georgia average and 473% higher than the national average. The median age in Fairmount is 37 which is approximately 3% higher than the Georgia average of 36. In Fairmount, 48% of the population over 15 years of age are married, 97% speak English and 1% speak Spanish. 77% of Fairmount residents were born in Georgia, 23% were born out of state, 0% were born outside of the United States and 0% were foreign born.