| Index | Demarest | New Jersey | National |
| Cost of living | 193 | 125 | 100 |
| Groceries | 109 | 108 | 100 |
| Health care | 111 | 112 | 100 |
| Housing | 380 | 157 | 100 |
| Transportation | 116 | 114 | 100 |
| Utilities | 112 | 111 | 100 |
| Lifestyle & Entertainment | 118 | 113 | 100 |
| Household Items | 107 | 107 | 100 |
| Education & Childcare | 124 | 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 | $229,286 | $19,107 | $5,350 | $6,879 |
| Renters | $0 | $0 | $0 | $0 |
| 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. |
| Greenville CDP (Greene County), NY | 616 | 106 | 6.1% |
| East Orange, NJ | 66,655 | 115 | 15.1% |
| Silver Lake CDP (Warren County), NJ | 326 | 117 | 17.3% |
| Paterson, NJ | 149,118 | 122 | 21.5% |
| Prospect Park, NJ | 5,987 | 125 | 25.1% |
| Demarest, NJ | 5,016 | 193 | 93.4% |
| City | Population | Cost of Living Index | National Avg. |
| Carmi, IL | 5,016 | 82 | 17.6% |
| Eagar, AZ | 5,015 | 98 | 1.7% |
| Mattituck, NY | 5,017 | 152 | 52.1% |
| Central Kootenay B, BC | 5,017 | n/a | |
| Mayfair, CA | 5,014 | 112 | 12.2% |
| Demarest, NJ | 5,016 | 193 | 93.4% |