Holley, FL has a population of 1,642 and is the 12,173rd largest city in the United States. The population density is 463 per sq mi which is 58% higher than the Florida average and 411% higher than the national average. The median age in Holley is 36 which is approximately 13% lower than the Florida average of 42. In Holley, 60% of the population over 15 years of age are married, 98% speak English and 0% speak Spanish. 38% of Holley residents were born in Florida, 60% were born out of state, 0% were born outside of the United States and 2% were foreign born.