Above, you will see a summary of real estate in Adelphi, MD. On average, homes in Adelphi, MD cost $251,900, a value that is 13% lower than the average in Maryland. In general terms, this results in Adelphi, MD real estate being more affordable than Maryland real estate. On average, people who rent houses in Adelphi, MD pay $1,365; this value is 8% higher than the average amount renters pay in Maryland. 45.9% of Adelphi, MD residents own their own homes and, on average, each of the homes has 3.0 occupants. Adelphi, MD real estate features a range of homes, which include everthing from large houses to small condos to stacked townhomes. Accessing real estate listings and homes that are up for sale in Adelphi, MD is easy because in our search area shown above, we categorize real estate and homes based on location, price, and the number of bedrooms and bathrooms.