Louisville, GA has a population of 2,772 and is the 9,203rd largest city in the United States. The population density is 768 per sq mi which is 360% higher than the Georgia average and 748% higher than the national average. The median age in Louisville is 35 which is approximately 4% lower than the Georgia average of 36. In Louisville, 47% of the population over 15 years of age are married, 98% speak English and 1% speak Spanish. 90% of Louisville residents were born in Georgia, 9% were born out of state, 0% were born outside of the United States and 2% were foreign born.