Deal Island is located in Maryland. Deal Island, Maryland has a population of 279. Deal Island is less family-centric than the surrounding county with 0% of the households containing married families with children. The county average for households married with children is 27.96%.
The median household income in Deal Island, Maryland is $19,674. The median household income for the surrounding county is $48,661 compared to the national median of $69,021. The median age of people living in Deal Island is 69.1 years.
The average high temperature in July is 89.3 degrees, with an average low temperature in January of 27.7 degrees. The average rainfall is approximately 44.9 inches per year, with 5.9 inches of snow per year.