Greenville, GA has a population of 1,065 and is the 14,761st largest city in the United States. The population density is 454 per sq mi which is 172% higher than the Georgia average and 401% higher than the national average. The median age in Greenville is 33 which is approximately 9% lower than the Georgia average of 36. In Greenville, 43% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 92% of Greenville residents were born in Georgia, 8% were born out of state, 0% were born outside of the United States and 0% were foreign born.