Mulberry, FL has a population of 3,925 and is the 7,528th largest city in the United States. The population density is 636 per sq mi which is 116% higher than the Florida average and 601% higher than the national average. The median age in Mulberry is 42 which is approximately equal to the Florida average of 42. In Mulberry, 67% of the population over 15 years of age are married, 79% speak English and 15% speak Spanish. 43% of Mulberry residents were born in Florida, 47% were born out of state, 2% were born outside of the United States and 8% were foreign born.