| Index | Northfield | New Jersey | National |
| Cost of living | 113 | 119 | 100 |
| Goods & Services | 108 | 104 | 100 |
| Groceries | 104 | 103 | 100 |
| Health care | 104 | 111 | 100 |
| Housing | 127 | 157 | 100 |
| Transportation | 104 | 101 | 100 |
| Utilities | 109 | 101 | 100 |


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| Cost of living index | |
| Goods & Services index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $138,239 | $11,520 | $3,225 | $4,148 |
| Renters | $55,061 | $4,588 | $1,285 | $1,652 |
| 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% |
| Item | Northfield | National avg. | Difference |
| Haircut | $39.84 | $27.62 | 44.3% |
| Beauty Salon | $69.75 | $51.11 | 36.5% |
| Toothpaste | $4.11 | $4.09 | 0.4% |
| Shampoo | $1.75 | $1.54 | 13.5% |
| Movie | $15.93 | $12.88 | 23.7% |
| Yoga | $28.28 | $19.66 | 43.8% |
| Item | Northfield | National avg. | Difference |
| Ground Beef | $8.15 | $7.70 | 5.8% |
| Fried Chicken | $1.60 | $1.66 | 3.7% |
| Milk | $4.98 | $4.73 | 5.2% |
| Potatoes | $5.05 | $5.26 | 3.9% |
| Pizza | $12.79 | $12.76 | 0.2% |
| Beer | $12.14 | $10.55 | 15.1% |
| Item | Northfield | National avg. | Difference |
| Optometrist | $149.38 | $140.06 | 6.7% |
| Doctor | $155.32 | $153.82 | 1.0% |
| Dentist | $133.90 | $123.15 | 8.7% |
| Ibuprofen | $11.99 | $11.73 | 2.2% |
| Lipitor | $22.54 | $23.61 | 4.5% |
| Item | Northfield | National avg. | Difference |
| Home Price | $412,795.00 | $326,622.00 | 26.4% |
| Avg. Mortgage Payment | $2,440.43 | $2,480.25 | 1.6% |
| Apartment Rent | $1,862.00 | $1,444.00 | 28.9% |
| Item | Northfield | National avg. | Difference |
| Gasoline | $3.12 | $3.06 | 2.1% |
| Tire Balancing | $71.29 | $65.21 | 9.3% |
| Item | Northfield | National avg. | Difference |
| All Electricity | $247.81 | $220.12 | 12.6% |
| Phone | $203.65 | $195.71 | 4.1% |
| City | Population | Cost of Living Index | National Avg. |
| Strathmere, NJ | 60 | 102 | 1.7% |
| Elwood, NJ | 1,275 | 98 | 1.6% |
| Egg Harbor City, NJ | 4,175 | 100 | 0.4% |
| Pleasantville, NJ | 20,927 | 100 | 0.5% |
| Woodbine, NJ | 2,403 | 98 | 2.4% |
| Northfield, NJ | 8,410 | 113 | 12.9% |
| City | Population | Cost of Living Index | National Avg. |
| Carl Junction, MO | 8,409 | 93 | 7.5% |
| Stayton, OR | 8,409 | 117 | 17.0% |
| Bryans Road, MD | 8,407 | 123 | 22.7% |
| Topanga, CA | 8,406 | 246 | 145.5% |
| Cleveland, TX | 8,406 | 85 | 14.8% |
| Northfield, NJ | 8,410 | 113 | 12.9% |