Gainesville, FL has a population of 128,610 and is the 211th largest city in the United States. The population density is 2,054 per sq mi which is 600% higher than the Florida average and 2167% higher than the national average. The median age in Gainesville is 26 which is approximately 38% lower than the Florida average of 42. In Gainesville, 29% of the population over 15 years of age are married, 84% speak English and 7% speak Spanish. 52% of Gainesville residents were born in Florida, 34% were born out of state, 2% were born outside of the United States and 12% were foreign born.