Edgemoor, DE has a population of 6,335 and is the 5,560th largest city in the United States. The population density is 3,394 per sq mi which is 822% higher than the Delaware average and 3646% higher than the national average. The median age in Edgemoor is 36 which is approximately 10% lower than the Delaware average of 40. In Edgemoor, 39% of the population over 15 years of age are married, 92% speak English and 4% speak Spanish. 51% of Edgemoor residents were born in Delaware, 43% were born out of state, 1% were born outside of the United States and 5% were foreign born.