| Median Foreclosure: | $144,715 |
| Median For Sale: | $279,000 |
| Median Land: | $79,000 |
| Median Rental: | $1,800 |
| Median New Home: | $279,000 |
| Population | 1,159 |
| Square Miles | 65.81 |
| Population Density | 17.61 |
| Median Age | 43 |
| Median Household Income | $47,917 |
| Per Capita Income | $24,100 |
| Median Rent | $459 |
| Percent Renters | 11% |
| Median Petersham, MA 01366 Rental Price: | $1,800 |
| 2 Bedroom Rental Median Price: | $850 |
| 3 Bedroom Rental Median Price: | $1,800 |
| Median Petersham, MA 01366 For Sale Price: | $279,000 |
| 2 Bedroom For Sale Median Price: | $159,900 |
| 3 Bedroom For Sale Median Price: | $259,900 |
| 4 Bedroom For Sale Median Price: | $599,000 |
| Median Petersham, MA 01366 Foreclosure Price: | $144,715 |
| 2 Bedroom Foreclosure Median Price: | $88,982 |
| 3 Bedroom Foreclosure Median Price: | $144,715 |
| 4 Bedroom Foreclosure Median Price: | $130,791 |