| Index | Cortland | Illinois | National |
| Cost of living | 96 | 96 | 100 |
| Goods & Services | 89 | 97 | 100 |
| Groceries | 97 | 98 | 100 |
| Health care | 101 | 95 | 100 |
| Housing | 103 | 95 | 100 |
| Transportation | 110 | 103 | 100 |
| Utilities | 87 | 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 | $92,981 | $7,748 | $2,169 | $2,790 |
| Renters | $60,759 | $5,063 | $1,418 | $1,823 |
| 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 | Cortland | National avg. | Difference |
| Haircut | $19.94 | $24.26 | 17.8% |
| Beauty Salon | $36.22 | $45.56 | 20.5% |
| Toothpaste | $3.58 | $3.70 | 3.2% |
| Shampoo | $1.27 | $1.28 | 1.1% |
| Movie | $12.73 | $12.13 | 4.9% |
| Bowling | $12.67 | $18.00 | 29.6% |
| Item | Cortland | National avg. | Difference |
| Ground Beef | $5.72 | $5.84 | 2.0% |
| Fried Chicken | $1.42 | $1.57 | 9.9% |
| Milk | $4.63 | $4.67 | 0.9% |
| Potatoes | $4.82 | $4.93 | 2.3% |
| Pizza | $10.99 | $12.09 | 9.1% |
| Beer | $9.56 | $10.41 | 8.2% |
| Item | Cortland | National avg. | Difference |
| Optometrist | $79.67 | $125.68 | 36.6% |
| Doctor | $158.33 | $135.78 | 16.6% |
| Dentist | $110.16 | $113.29 | 2.8% |
| Ibuprofen | $10.57 | $10.65 | 0.8% |
| Lipitor | $460.30 | $468.60 | 1.8% |
| Item | Cortland | National avg. | Difference |
| Home Price | $162,700.00 | $184,700.00 | 11.9% |
| Avg. Mortgage Payment | $1,465.09 | $2,346.69 | 37.6% |
| Apartment Rent | $1,300.00 | $949.00 | 37.0% |
| Item | Cortland | National avg. | Difference |
| Gasoline | $3.69 | $3.46 | 6.7% |
| Tire Balancing | $70.28 | $59.92 | 17.3% |
| Item | Cortland | National avg. | Difference |
| All Electricity | $147.39 | $193.99 | 24.0% |
| Phone | $198.03 | $192.25 | 3.0% |
| City | Population | Cost of Living Index | National Avg. |
| Lee, IL | 380 | 87 | 12.7% |
| Creston, IL | 535 | 87 | 12.6% |
| Malta, IL | 1,431 | 91 | 9.4% |
| Shabbona, IL | 937 | 91 | 9.4% |
| Kirkland, IL | 1,524 | 92 | 8.5% |
| Cortland, IL | 4,261 | 96 | 3.6% |
| City | Population | Cost of Living Index | National Avg. |
| Highlands-Baywood Park, CA | 4,261 | 241 | 140.9% |
| Centralia, MO | 4,260 | 85 | 15.3% |
| Medina, TN | 4,260 | 94 | 6.0% |
| Morgan, UT | 4,259 | 116 | 15.7% |
| Lyons, GA | 4,263 | 80 | 20.3% |
| Cortland, IL | 4,261 | 96 | 3.6% |