Gainesville, GA has a population of 37,906 and is the 1,096th largest city in the United States. The population density is 1,162 per sq mi which is 596% higher than the Georgia average and 1183% higher than the national average. The median age in Gainesville is 31 which is approximately 15% lower than the Georgia average of 36. In Gainesville, 47% of the population over 15 years of age are married, 56% speak English and 39% speak Spanish. 53% of Gainesville residents were born in Georgia, 20% were born out of state, 1% were born outside of the United States and 27% were foreign born.