
Deal Island
- County:
- Somerset County
- County Seat:
- No
- Area (mi²):
- 3.031
- State:
- Maryland
Deal Island is a CDP located in Somerset County, Maryland. Deal Island has a 2025 population of 240. Deal Island is currently declining at a rate of -5.88% annually and its population has decreased by -24.05% since the most recent census, which recorded a population of 316 in 2020.
The average household income in Deal Island is $42,853 with a poverty rate of 30%. The median age in Deal Island is 62.7 years: 50 years for males, and 64.8 years for females.