| Index | Sewaren | New Jersey | National |
| Cost of living | 128 | 125 | 100 |
| Groceries | 107 | 108 | 100 |
| Health care | 109 | 112 | 100 |
| Housing | 169 | 157 | 100 |
| Transportation | 117 | 114 | 100 |
| Utilities | 109 | 111 | 100 |
| Lifestyle & Entertainment | 114 | 113 | 100 |
| Household Items | 107 | 107 | 100 |
| Education & Childcare | 115 | 120 | 100 |

| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $145,044 | $12,087 | $3,384 | $4,352 |
| Renters | $116,646 | $9,721 | $2,722 | $3,500 |
| State | General Sales Tax | With Max Surtax |
| New Jersey | 6.625% | 12.625% |
| State | Income Tax (Low) | Income Tax (High) |
| New Jersey | 1.4% | 10.75% |
| City | Population | Cost of Living Index | National Avg. |
| Keansburg, NJ | 10,050 | 114 | 14.1% |
| East Orange, NJ | 66,655 | 115 | 15.1% |
| Roselle, NJ | 22,321 | 116 | 15.7% |
| Newark, NJ | 290,764 | 120 | 19.8% |
| Cliffwood Beach, NJ | 3,091 | 119 | 19.4% |
| Sewaren, NJ | 2,793 | 128 | 28.1% |
| City | Population | Cost of Living Index | National Avg. |
| Inverness Highlands North, FL | 2,793 | 93 | 6.6% |
| Marlborough, MO | 2,793 | 97 | 3.4% |
| Crest, CA | 2,792 | 152 | 51.9% |
| Avilla, IN | 2,792 | 88 | 12.0% |
| Jonesville, MI | 2,794 | 87 | 13.4% |
| Sewaren, NJ | 2,793 | 128 | 28.1% |