Arden is a village in New Castle County, Delaware, United States, founded in 1900 as a radical Georgist single-tax community by sculptor Frank Stephens and architect William Lightfoot Price. The village occupies approximately 160 acres, with half kept as open land. As of the 2020 census, Arden had a population of 430. In 1973, the entire village was listed on the National Register of Historic Places.