Lewes, DE has a population of 2,955 and is the 8,886th largest city in the United States. The population density is 777 per sq mi which is 111% higher than the Delaware average and 758% higher than the national average. The median age in Lewes is 66 which is approximately 67% higher than the Delaware average of 40. In Lewes, 66% of the population over 15 years of age are married, 96% speak English and 0% speak Spanish. 26% of Lewes residents were born in Delaware, 70% were born out of state, 1% were born outside of the United States and 3% were foreign born.