| Index | South Plainfield | New Jersey | National |
| Median home price | $621,704 | $555,483 | $326,622 |
| Median rent asked | $2,555 | $1,825 | $1,444 |
| Avg. people per household | 2.8 | 2.7 | 2.6 |
| Owner occupied households | 86.2% | 64.1% | 63.6% |
| Renter occupied households | 13.8% | 35.9% | 36.4% |

| Population | Home Price | National Avg. | |
| Zarephath, NJ | 98 | $0 | 100% |
| Keansburg, NJ | 10,050 | $359,757 | 10% |
| East Orange, NJ | 66,655 | $402,475 | 23% |
| Roselle, NJ | 22,321 | $421,559 | 29% |
| Helmetta, NJ | 2,287 | $432,304 | 32% |
| South Plainfield, NJ | 24,668 | $621,704 | 90% |
| Population | Home Price | National Avg. | |
| North Lynnwood, WA | 24,656 | $736,102 | 125% |
| Rosemont, CA | 24,690 | $587,035 | 80% |
| Port St. John, FL | 24,638 | $332,880 | 2% |
| Sugar Hill, GA | 24,637 | $453,409 | 39% |
| Fort Dodge, IA | 24,700 | $183,008 | 44% |
| South Plainfield, NJ | 24,668 | $621,704 | 90% |