| Index | Oakbrook Terrace | Illinois | National |
| Cost of living | 125 | 96 | 100 |
| Goods & Services | 107 | 97 | 100 |
| Groceries | 104 | 98 | 100 |
| Health care | 108 | 95 | 100 |
| Housing | 173 | 95 | 100 |
| Transportation | 107 | 103 | 100 |
| Utilities | 89 | 89 | 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 | $95,268 | $7,939 | $2,223 | $2,858 |
| Renters | $48,404 | $4,034 | $1,129 | $1,452 |
| 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 | $33.69 | $24.26 | 38.9% |
| Beauty Salon | $53.44 | $45.56 | 17.3% |
| Toothpaste | $3.75 | $3.70 | 1.4% |
| Shampoo | $1.27 | $1.28 | 1.1% |
| Movie | $17.91 | $12.13 | 47.6% |
| Bowling | $24.58 | $18.00 | 36.6% |
| Item | Oakbrook Terrace | National avg. | Difference |
| Ground Beef | $5.28 | $5.84 | 9.5% |
| Fried Chicken | $1.42 | $1.57 | 9.7% |
| Milk | $4.87 | $4.67 | 4.3% |
| Potatoes | $4.90 | $4.93 | 0.7% |
| Pizza | $13.41 | $12.09 | 10.9% |
| Beer | $10.00 | $10.41 | 4.0% |
| Item | Oakbrook Terrace | National avg. | Difference |
| Optometrist | $118.27 | $125.68 | 5.9% |
| Doctor | $167.67 | $135.78 | 23.5% |
| Dentist | $128.22 | $113.29 | 13.2% |
| Ibuprofen | $10.97 | $10.65 | 2.9% |
| Lipitor | $382.34 | $468.60 | 18.4% |
| Item | Oakbrook Terrace | National avg. | Difference |
| Home Price | $319,400.00 | $184,700.00 | 72.9% |
| Avg. Mortgage Payment | $2,578.06 | $2,346.69 | 9.9% |
| Apartment Rent | $1,656.00 | $949.00 | 74.5% |
| Item | Oakbrook Terrace | National avg. | Difference |
| Gasoline | $3.56 | $3.46 | 2.7% |
| Tire Balancing | $70.87 | $59.92 | 18.3% |
| Item | Oakbrook Terrace | National avg. | Difference |
| All Electricity | $148.58 | $193.99 | 23.4% |
| Phone | $210.03 | $192.25 | 9.3% |
| City | Population | Cost of Living Index | National Avg. |
| Hodgkins, IL | 1,753 | 85 | 14.6% |
| Hometown, IL | 4,216 | 91 | 9.0% |
| Robbins, IL | 5,068 | 92 | 8.5% |
| Merrionette Park, IL | 1,973 | 96 | 4.4% |
| Blue Island, IL | 23,160 | 96 | 4.4% |
| Oakbrook Terrace, IL | 2,909 | 125 | 24.7% |
| City | Population | Cost of Living Index | National Avg. |
| Loma Rica, CA | 2,909 | 130 | 29.8% |
| West Burlington, IA | 2,909 | 90 | 9.6% |
| Meadowood, PA | 2,909 | 94 | 5.5% |
| Schulenburg, TX | 2,909 | 87 | 13.1% |
| Bellows Falls, VT | 2,908 | 107 | 6.7% |
| Oakbrook Terrace, IL | 2,909 | 125 | 24.7% |