Deal Island is located in Maryland. Deal Island, Maryland has a population of 478. Deal Island is less family-centric than the surrounding county with 14% households with children. The county percentage for households with children is 24%.
The median household income in Deal Island, Maryland is $38,800. The median household income for the surrounding county is $43,885 compared to the national median of $61,963. The median age of people living in Deal Island is 57.7 years.
The average high temperature in July is 86.5 degrees, with an average low temperature in January of 30.2 degrees. The annual precipitation is 38.44.