Currently there are 1 homes for sale in 21540

21540 is located in Allegany, MD. There are currently 1 Homes for Sale within 21540, with asking prices ranging from $74,900 to $74,900. The average list price per square foot of the available inventory in 21540 is $23, which is above the Allegany County average of $23. Recent comparable homes have been selling for 66.11% of their asking price. Waterfront homes represent 0.00% of the available 21540 inventory. The population of 21540, according to the 2010 Census, is 65. The total number of households in the zip code of 21540 is 33, with an average household size for of 1.88 people. The total number of renter households within the zip code of 21540 is 12, which means that 63.64% of households in this zipcode are owner occupant households.