Lake Park, FL has a population of 8,457 and is the 4,484th largest city in the United States. The population density is 4,063 per sq mi which is 1284% higher than the Florida average and 4384% higher than the national average. The median age in Lake Park is 38 which is approximately 9% lower than the Florida average of 42. In Lake Park, 46% of the population over 15 years of age are married, 66% speak English and 4% speak Spanish. 35% of Lake Park residents were born in Florida, 35% were born out of state, 3% were born outside of the United States and 27% were foreign born.