Indian Rocks Beach, FL has a population of 4,213 and is the 7,205th largest city in the United States. The population density is 5,004 per sq mi which is 1604% higher than the Florida average and 5423% higher than the national average. The median age in Indian Rocks Beach is 54 which is approximately 29% higher than the Florida average of 42. In Indian Rocks Beach, 56% of the population over 15 years of age are married, 94% speak English and 2% speak Spanish. 22% of Indian Rocks Beach residents were born in Florida, 66% were born out of state, 2% were born outside of the United States and 11% were foreign born.