Milledgeville, GA has a population of 19,146 and is the 2,271st largest city in the United States. The population density is 941 per sq mi which is 464% higher than the Georgia average and 939% higher than the national average. The median age in Milledgeville is 27 which is approximately 25% lower than the Georgia average of 36. In Milledgeville, 30% of the population over 15 years of age are married, 95% speak English and 3% speak Spanish. 78% of Milledgeville residents were born in Georgia, 18% were born out of state, 1% were born outside of the United States and 4% were foreign born.