| Index | Green Knoll | New Jersey | National |
| Cost of living | 144 | 125 | 100 |
| Groceries | 108 | 108 | 100 |
| Health care | 114 | 112 | 100 |
| Housing | 220 | 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 | $225,950 | $18,829 | $5,272 | $6,779 |
| Renters | $52,785 | $4,399 | $1,232 | $1,584 |
| 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% |
| Plainfield, NJ | 51,295 | 122 | 21.5% |
| High Bridge, NJ | 3,544 | 120 | 20.4% |
| Manville, NJ | 10,409 | 123 | 22.6% |
| Spotswood, NJ | 8,512 | 121 | 21.1% |
| Green Knoll, NJ | 6,601 | 144 | 44.1% |
| City | Population | Cost of Living Index | National Avg. |
| Sealy, TX | 6,602 | 97 | 2.9% |
| Millersville, TN | 6,596 | 100 | 0.1% |
| Howland Center, OH | 6,609 | 93 | 7.2% |
| Rittman, OH | 6,610 | 86 | 13.6% |
| West Yarmouth, MA | 6,612 | 129 | 29.1% |
| Green Knoll, NJ | 6,601 | 144 | 44.1% |