| Index | Plainfield | New Jersey | National |
| Income per capita | $37,630 | $55,297 | $44,883 |
| Median household income | $85,643 | $108,915 | $81,333 |
| Median income owner occupied | $143,665 | $143,334 | $106,172 |
| Median income renter occupied | $59,495 | $61,880 | $52,080 |
| Median earnings male | $47,507 | $69,742 | $54,343 |
| Median earnings female | $38,114 | $46,406 | $38,439 |
| Unemployment rate | 6.1% | 5.4% | 4.9% |
| Poverty level | 18.1% | 10.9% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 17.3% | 17.3% |
| Manufacturing sector | 11.6% | 11.6% |
| Financial & insurance services | 2.5% | 2.5% |
| Wholesale & retail services | 13.4% | 13.4% |
| Public administration | 2.1% | 2.1% |
| Transportation, warehousing & utilities | 15.6% | 15.6% |
| Education, health & social services | 8.2% | 8.2% |
| Other | 27.0% | 27.0% |
| City | Population | Household Income | National Avg. |
| Short Hills, NJ | 14,190 | $375,147 | 361.2% |
| Harlingen, NJ | 492 | $362,607 | 345.8% |
| Blawenburg, NJ | 101 | $332,214 | 308.5% |
| Essex Fells, NJ | 2,112 | $326,681 | 301.7% |
| Glen Ridge, NJ | 7,786 | $317,221 | 290.0% |
| Plainfield, NJ | 51,295 | $85,643 | 5.3% |
| City | Population | Household Income | National Avg. |
| Enid, OK | 51,301 | $78,502 | 3.5% |
| Poway, CA | 51,311 | $173,624 | 113.5% |
| Lakewood, OH | 51,262 | $79,939 | 1.7% |
| North Bethesda, MD | 51,238 | $166,479 | 104.7% |
| East Hartford, CT | 51,352 | $88,494 | 8.8% |
| Plainfield, NJ | 51,295 | $85,643 | 5.3% |