| Median For Sale: | $2,300,000 |
| Median Land: | $775,000 |
| Median Rental: | $10,000 |
| Population | 312 |
| Square Miles | 1.46 |
| Population Density | 213.84 |
| Median Age | 54 |
| Median Household Income | $82,176 |
| Per Capita Income | $70,146 |
| Median Rent | $950 |
| Percent Renters | 18% |
| Median Gibson Island, MD 21056 For Sale Price: | $2,300,000 |
| 3 Bedroom For Sale Median Price: | $3,190,000 |
| 4 Bedroom For Sale Median Price: | $2,385,000 |