| Index | South Plainfield | New Jersey | National |
| Median home price | $352,200 | $316,400 | $184,700 |
| Median rent asked | $1,675 | $1,213 | $949 |
| 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 | 94 | $0 | 100% |
| Keansburg, NJ | 9,697 | $197,200 | 7% |
| East Orange, NJ | 64,650 | $226,000 | 22% |
| Roselle, NJ | 21,699 | $230,600 | 25% |
| Helmetta, NJ | 2,232 | $243,900 | 32% |
| South Plainfield, NJ | 23,961 | $352,200 | 91% |
| Population | Home Price | National Avg. | |
| Ponca City, OK | 23,940 | $102,600 | 44% |
| Port St. John, FL | 23,940 | $181,300 | 2% |
| Auburn Hills, MI | 23,984 | $174,300 | 6% |
| Kalispell, MT | 23,935 | $242,500 | 31% |
| Freeport, IL | 23,930 | $67,500 | 63% |
| South Plainfield, NJ | 23,961 | $352,200 | 91% |
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