| Index | Dunellen | New Jersey | National |
| Cost of living | 123 | 125 | 100 |
| Groceries | 108 | 108 | 100 |
| Health care | 114 | 112 | 100 |
| Housing | 149 | 157 | 100 |
| Transportation | 115 | 114 | 100 |
| Utilities | 111 | 111 | 100 |
| Lifestyle & Entertainment | 114 | 113 | 100 |
| Household Items | 105 | 107 | 100 |
| Education & Childcare | 116 | 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 | $148,072 | $12,339 | $3,455 | $4,443 |
| Renters | $54,282 | $4,524 | $1,266 | $1,629 |
| 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. |
| Zarephath, NJ | 98 | 113 | 12.8% |
| East Orange, NJ | 66,655 | 115 | 15.1% |
| Roselle, NJ | 22,321 | 116 | 15.7% |
| Silver Lake CDP (Warren County), NJ | 326 | 117 | 17.3% |
| Cliffwood Beach, NJ | 3,091 | 119 | 19.4% |
| Dunellen, NJ | 7,401 | 123 | 22.7% |
| City | Population | Cost of Living Index | National Avg. |
| Saint-Joseph-du-Lac, QC | 7,402 | n/a | |
| Parkville, MO | 7,398 | 123 | 23.3% |
| Huntertown, IN | 7,404 | 98 | 1.5% |
| Mount Sterling, KY | 7,404 | 89 | 10.9% |
| Batesville, MS | 7,404 | 94 | 6.3% |
| Dunellen, NJ | 7,401 | 123 | 22.7% |