Fuller Heights, FL has a population of 9,453 and is the 4,111th largest city in the United States. The population density is 2,195 per sq mi which is 648% higher than the Florida average and 2322% higher than the national average. The median age in Fuller Heights is 39 which is approximately 5% lower than the Florida average of 42. In Fuller Heights, 57% of the population over 15 years of age are married, 81% speak English and 17% speak Spanish. 51% of Fuller Heights residents were born in Florida, 36% were born out of state, 2% were born outside of the United States and 11% were foreign born.