Ardencroft, DE has a population of 255 and is the 23,330th largest city in the United States. The population density is 2,523 per sq mi which is 585% higher than the Delaware average and 2684% higher than the national average. The median age in Ardencroft is 41 which is approximately 3% higher than the Delaware average of 40. In Ardencroft, 58% of the population over 15 years of age are married, 93% speak English and 2% speak Spanish. 46% of Ardencroft residents were born in Delaware, 50% were born out of state, 0% were born outside of the United States and 4% were foreign born.