| Index | Williamstown | New Jersey | National |
| Median home price | $205,500 | $316,400 | $184,700 |
| Median rent asked | $991 | $1,213 | $949 |
| 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 | 969 | $56,900 | 69% |
| Seabrook Farms, NJ | 1,602 | $119,200 | 35% |
| Brooklawn, NJ | 1,888 | $120,400 | 35% |
| Williamstown, NJ | 14,161 | $205,500 | 11% |
| Population | Home Price | National Avg. | |
| Greendale, WI | 14,160 | $227,700 | 23% |
| Anna, TX | 14,159 | $219,800 | 19% |
| Weigelstown, PA | 14,156 | $150,800 | 18% |
| Washington Court House, OH | 14,155 | $110,900 | 40% |
| Hockessin, DE | 14,172 | $456,100 | 147% |
| Williamstown, NJ | 14,161 | $205,500 | 11% |
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