Deal Island is located in Maryland. Deal Island, Maryland has a population of 455. Deal Island is less family-centric than the surrounding county with 11% households with children. The county percentage for households with children is 25%.
The median household income in Deal Island, Maryland is $40,658. The median household income for the surrounding county is $43,058 compared to the national median of $66,222. The median age of people living in Deal Island is 57.5 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.