Frostproof is a city in Polk County, Florida, United States. The population was 2,975 at the 2000 census. As of 2004, the population recorded by the U.S. Census Bureau is 2,954. Frostproof apartments for rent comparison page shows most up to date rent information on Frostproof apartments and houses. Rent information is obtained from multiple rental sources but we cannot guarantee their accuracy.