| Index | Williamstown | New Jersey | National |
| Median home price | $378,268 | $555,483 | $326,622 |
| Median rent asked | $1,511 | $1,825 | $1,444 |
| Avg. people per household | 2.1 | 2.7 | 2.6 |
| Owner occupied households | 85.1% | 64.1% | 63.6% |
| Renter occupied households | 14.9% | 35.9% | 36.4% |

| Population | Home Price | National Avg. | |
| Tavistock, NJ | 5 | $0 | 100% |
| Pine Valley, NJ | 11 | $0 | 100% |
| Audubon Park, NJ | 1,003 | $102,213 | 69% |
| Seabrook Farms, NJ | 1,645 | $214,231 | 34% |
| Brooklawn, NJ | 1,930 | $214,992 | 34% |
| Williamstown, NJ | 14,480 | $378,268 | 16% |
| Population | Home Price | National Avg. | |
| Forrest City, AR | 14,474 | $124,227 | 62% |
| Broadlands, VA | 14,486 | $1,127,086 | 245% |
| New Franklin, OH | 14,489 | $285,171 | 13% |
| Kings Park West, VA | 14,489 | $1,019,256 | 212% |
| Artondale, WA | 14,469 | $915,370 | 180% |
| Williamstown, NJ | 14,480 | $378,268 | 16% |