| Index | Oakbrook Terrace | Illinois | National |
| Cost of living | 128 | 98 | 100 |
| Goods & Services | 110 | 98 | 100 |
| Groceries | 104 | 100 | 100 |
| Health care | 116 | 102 | 100 |
| Housing | 179 | 95 | 100 |
| Transportation | 104 | 102 | 100 |
| Utilities | 95 | 98 | 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 | $139,960 | $11,663 | $3,266 | $4,199 |
| Renters | $73,329 | $6,111 | $1,711 | $2,200 |
| State | General Sales Tax | With Max Surtax |
| Illinois | 6.25% | 10.25% |
| State | Income Tax (Low) | Income Tax (High) |
| Illinois | 4.95% | 4.95% |
| Item | Oakbrook Terrace | National avg. | Difference |
| Haircut | $49.08 | $27.62 | 77.7% |
| Beauty Salon | $68.42 | $51.11 | 33.9% |
| Toothpaste | $4.13 | $4.09 | 0.9% |
| Shampoo | $1.56 | $1.54 | 1.2% |
| Movie | $17.42 | $12.88 | 35.3% |
| Yoga | $28.87 | $19.66 | 46.8% |
| Item | Oakbrook Terrace | National avg. | Difference |
| Ground Beef | $7.53 | $7.70 | 2.3% |
| Fried Chicken | $1.56 | $1.66 | 6.2% |
| Milk | $4.88 | $4.73 | 3.1% |
| Potatoes | $5.20 | $5.26 | 1.1% |
| Pizza | $13.97 | $12.76 | 9.5% |
| Beer | $10.56 | $10.55 | 0.1% |
| Item | Oakbrook Terrace | National avg. | Difference |
| Optometrist | $208.97 | $140.06 | 49.2% |
| Doctor | $194.67 | $153.82 | 26.6% |
| Dentist | $135.44 | $123.15 | 10.0% |
| Ibuprofen | $12.22 | $11.73 | 4.2% |
| Lipitor | $24.14 | $23.61 | 2.2% |
| Item | Oakbrook Terrace | National avg. | Difference |
| Home Price | $588,398.00 | $326,622.00 | 80.1% |
| Avg. Mortgage Payment | $2,929.74 | $2,480.25 | 18.1% |
| Apartment Rent | $2,550.00 | $1,444.00 | 76.6% |
| Item | Oakbrook Terrace | National avg. | Difference |
| Gasoline | $3.20 | $3.06 | 4.7% |
| Tire Balancing | $67.63 | $65.21 | 3.7% |
| Item | Oakbrook Terrace | National avg. | Difference |
| All Electricity | $188.44 | $220.12 | 14.4% |
| Phone | $213.97 | $195.71 | 9.3% |
| City | Population | Cost of Living Index | National Avg. |
| Hodgkins, IL | 1,817 | 87 | 13.0% |
| Hometown, IL | 4,350 | 93 | 7.3% |
| Robbins, IL | 5,241 | 93 | 6.6% |
| Blue Island, IL | 23,702 | 97 | 3.0% |
| Merrionette Park, IL | 2,017 | 97 | 2.7% |
| Oakbrook Terrace, IL | 3,018 | 128 | 28.1% |
| City | Population | Cost of Living Index | National Avg. |
| Bad Axe, MI | 3,018 | 83 | 16.7% |
| Castle Rock, WA | 3,018 | 104 | 4.3% |
| Port Ludlow, WA | 3,018 | 149 | 48.5% |
| Fairbanks Ranch, CA | 3,019 | 419 | 319.0% |
| Georgian Bay, ON | 3,016 | n/a | |
| Oakbrook Terrace, IL | 3,018 | 128 | 28.1% |