Pine Castle, FL has a population of 11,095 and is the 3,634th largest city in the United States. The population density is 4,560 per sq mi which is 1453% higher than the Florida average and 4934% higher than the national average. The median age in Pine Castle is 34 which is approximately 18% lower than the Florida average of 42. In Pine Castle, 40% of the population over 15 years of age are married, 47% speak English and 38% speak Spanish. 31% of Pine Castle residents were born in Florida, 23% were born out of state, 16% were born outside of the United States and 30% were foreign born.