Zellwood, FL has a population of 3,082 and is the 8,673rd largest city in the United States. The population density is 818 per sq mi which is 179% higher than the Florida average and 803% higher than the national average. The median age in Zellwood is 61 which is approximately 47% higher than the Florida average of 42. In Zellwood, 75% of the population over 15 years of age are married, 79% speak English and 21% speak Spanish. 29% of Zellwood residents were born in Florida, 59% were born out of state, 5% were born outside of the United States and 6% were foreign born.