| Index | South Wilmington | Illinois | National |
| Cost of living | 90 | 96 | 100 |
| Goods & Services | 96 | 97 | 100 |
| Groceries | 97 | 98 | 100 |
| Health care | 90 | 95 | 100 |
| Housing | 80 | 95 | 100 |
| Transportation | 95 | 103 | 100 |
| Utilities | 90 | 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 | $97,563 | $8,130 | $2,276 | $2,927 |
| Renters | $46,786 | $3,899 | $1,092 | $1,404 |
| 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 | South Wilmington | National avg. | Difference |
| Haircut | $23.56 | $24.26 | 2.9% |
| Beauty Salon | $42.28 | $45.56 | 7.2% |
| Toothpaste | $3.77 | $3.70 | 1.9% |
| Shampoo | $1.46 | $1.28 | 13.8% |
| Movie | $8.75 | $12.13 | 27.9% |
| Bowling | $18.33 | $18.00 | 1.9% |
| Item | South Wilmington | National avg. | Difference |
| Ground Beef | $6.31 | $5.84 | 8.0% |
| Fried Chicken | $1.39 | $1.57 | 11.4% |
| Milk | $4.63 | $4.67 | 0.8% |
| Potatoes | $4.96 | $4.93 | 0.5% |
| Pizza | $13.80 | $12.09 | 14.1% |
| Beer | $10.43 | $10.41 | 0.2% |
| Item | South Wilmington | National avg. | Difference |
| Optometrist | $93.66 | $125.68 | 25.5% |
| Doctor | $120.22 | $135.78 | 11.5% |
| Dentist | $113.44 | $113.29 | 0.1% |
| Ibuprofen | $10.48 | $10.65 | 1.7% |
| Lipitor | $365.52 | $468.60 | 22.0% |
| Item | South Wilmington | National avg. | Difference |
| Home Price | $131,600.00 | $184,700.00 | 28.7% |
| Avg. Mortgage Payment | $1,536.70 | $2,346.69 | 34.5% |
| Apartment Rent | $963.00 | $949.00 | 1.5% |
| Item | South Wilmington | National avg. | Difference |
| Gasoline | $3.17 | $3.46 | 8.3% |
| Tire Balancing | $61.36 | $59.92 | 2.4% |
| Item | South Wilmington | National avg. | Difference |
| All Electricity | $157.45 | $193.99 | 18.8% |
| Phone | $197.49 | $192.25 | 2.7% |
| City | Population | Cost of Living Index | National Avg. |
| Wilmington village, IL | 144 | 80 | 20.0% |
| Union Hill, IL | 69 | 77 | 22.5% |
| Emington, IL | 89 | 78 | 22.0% |
| Cabery, IL | 260 | 82 | 18.1% |
| Kinsman, IL | 96 | 88 | 12.0% |
| South Wilmington, IL | 702 | 90 | 9.7% |
| City | Population | Cost of Living Index | National Avg. |
| Cherry Valley, AR | 702 | 79 | 20.6% |
| Traver, CA | 702 | 107 | 6.7% |
| Bradley Junction, FL | 702 | 82 | 17.9% |
| Fort White, FL | 702 | 91 | 9.1% |
| Schaller, IA | 702 | 83 | 16.9% |
| South Wilmington, IL | 702 | 90 | 9.7% |