Longwood, FL has a population of 14,117 and is the 2,972nd largest city in the United States. The population density is 2,530 per sq mi which is 762% higher than the Florida average and 2693% higher than the national average. The median age in Longwood is 44 which is approximately 5% higher than the Florida average of 42. In Longwood, 54% of the population over 15 years of age are married, 83% speak English and 11% speak Spanish. 38% of Longwood residents were born in Florida, 44% were born out of state, 7% were born outside of the United States and 11% were foreign born.