Apollo Beach, FL has a population of 16,482 and is the 2,590th largest city in the United States. The population density is 832 per sq mi which is 183% higher than the Florida average and 818% higher than the national average. The median age in Apollo Beach is 46 which is approximately 11% higher than the Florida average of 42. In Apollo Beach, 70% of the population over 15 years of age are married, 87% speak English and 8% speak Spanish. 28% of Apollo Beach residents were born in Florida, 62% were born out of state, 2% were born outside of the United States and 8% were foreign born.