Greenacres, FL has a population of 39,190 and is the 1,062nd largest city in the United States. The population density is 6,672 per sq mi which is 2173% higher than the Florida average and 7265% higher than the national average. The median age in Greenacres is 36 which is approximately 15% lower than the Florida average of 42. In Greenacres, 49% of the population over 15 years of age are married, 51% speak English and 37% speak Spanish. 31% of Greenacres residents were born in Florida, 31% were born out of state, 3% were born outside of the United States and 35% were foreign born.