Manchester, GA has a population of 4,071 and is the 7,370th largest city in the United States. The population density is 508 per sq mi which is 204% higher than the Georgia average and 461% higher than the national average. The median age in Manchester is 34 which is approximately 7% lower than the Georgia average of 36. In Manchester, 47% of the population over 15 years of age are married, 99% speak English and 0% speak Spanish. 86% of Manchester residents were born in Georgia, 14% were born out of state, 1% were born outside of the United States and 0% were foreign born.