Frostproof, FL has a population of 3,100 and is the 8,639th largest city in the United States. The population density is 290 per sq mi which is 29% lower than the Florida average and 220% higher than the national average. The median age in Frostproof is 48 which is approximately 16% higher than the Florida average of 42. In Frostproof, 63% of the population over 15 years of age are married, 88% speak English and 11% speak Spanish. 49% of Frostproof residents were born in Florida, 46% were born out of state, 2% were born outside of the United States and 3% were foreign born.