Lake Helen, FL has a population of 2,678 and is the 9,413th largest city in the United States. The population density is 606 per sq mi which is 106% higher than the Florida average and 568% higher than the national average. The median age in Lake Helen is 51 which is approximately 23% higher than the Florida average of 42. In Lake Helen, 58% of the population over 15 years of age are married, 97% speak English and 3% speak Spanish. 44% of Lake Helen residents were born in Florida, 51% were born out of state, 2% were born outside of the United States and 3% were foreign born.