Felton, DE has a population of 1,566 and is the 12,447th largest city in the United States. The population density is 1,989 per sq mi which is 440% higher than the Delaware average and 2095% higher than the national average. The median age in Felton is 34 which is approximately 14% lower than the Delaware average of 40. In Felton, 47% of the population over 15 years of age are married, 97% speak English and 2% speak Spanish. 52% of Felton residents were born in Delaware, 40% were born out of state, 7% were born outside of the United States and 1% were foreign born.