Hartwell, GA has a population of 4,499 and is the 6,923rd largest city in the United States. The population density is 884 per sq mi which is 429% higher than the Georgia average and 876% higher than the national average. The median age in Hartwell is 41 which is approximately 14% higher than the Georgia average of 36. In Hartwell, 57% of the population over 15 years of age are married, 93% speak English and 4% speak Spanish. 64% of Hartwell residents were born in Georgia, 32% were born out of state, 0% were born outside of the United States and 4% were foreign born.