Monticello, GA has a population of 2,597 and is the 9,612th largest city in the United States. The population density is 809 per sq mi which is 384% higher than the Georgia average and 792% higher than the national average. The median age in Monticello is 35 which is approximately 3% lower than the Georgia average of 36. In Monticello, 50% of the population over 15 years of age are married, 96% speak English and 3% speak Spanish. 73% of Monticello residents were born in Georgia, 24% were born out of state, 0% were born outside of the United States and 4% were foreign born.