Today middletown, Middletown MD is count around 66 homes for sale at current average listing price of $565,525. Nearby neighborhoods of middletown are None Available, Americus Manor, Braddock Heights, Brookridge South, Fountaindale North, Fountaindale South, Meadowridge, Middletown Glen. Most of middletown homes are 4 bedrooms with 3 bathrooms.