DeBary, FL has a population of 19,761 and is the 2,204th largest city in the United States. The population density is 1,042 per sq mi which is 255% higher than the Florida average and 1051% higher than the national average. The median age in DeBary is 50 which is approximately 20% higher than the Florida average of 42. In DeBary, 62% of the population over 15 years of age are married, 88% speak English and 8% speak Spanish. 34% of DeBary residents were born in Florida, 55% were born out of state, 3% were born outside of the United States and 8% were foreign born.