Freeport is a city in Walton County, Florida, United States. It is part of the Crestview–Fort Walton Beach–Destin, Florida Metropolitan Statistical Area. As of the 2020, the population recorded by the U.S. Census Bureau was 5,861, up from 1,787 at the 2010 census. Freeport is one of the fastest growing cities in Florida. After the construction of the massive group of neighborhoods, Hammock Bay, the population grew by about 2 thousand.