| Median Foreclosure: | $150,700 |
| Median For Sale: | $384,900 |
| Median Land: | $159,000 |
| Median Rental: | $1,895 |
| Population | 215 |
| Square Miles | 0.61 |
| Population Density | 352.92 |
| Median Age | 47 |
| Median Household Income | $42,885 |
| Per Capita Income | $21,809 |
| Median Rent | $536 |
| Percent Renters | 28% |
| Median Alton Bay, NH 03810 For Sale Price: | $384,900 |
| 2 Bedroom For Sale Median Price: | $699,000 |
| 3 Bedroom For Sale Median Price: | $380,000 |
| 4 Bedroom For Sale Median Price: | $819,900 |