Hamilton, GA has a population of 1,092 and is the 14,596th largest city in the United States. The population density is 320 per sq mi which is 92% higher than the Georgia average and 253% higher than the national average. The median age in Hamilton is 35 which is approximately 3% lower than the Georgia average of 36. In Hamilton, 38% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 81% of Hamilton residents were born in Georgia, 18% were born out of state, 0% were born outside of the United States and 0% were foreign born.