Dover, FL has a population of 3,380 and is the 8,218th largest city in the United States. The population density is 1,299 per sq mi which is 343% higher than the Florida average and 1334% higher than the national average. The median age in Dover is 28 which is approximately 33% lower than the Florida average of 42. In Dover, 53% of the population over 15 years of age are married, 31% speak English and 69% speak Spanish. 46% of Dover residents were born in Florida, 15% were born out of state, 1% were born outside of the United States and 38% were foreign born.