| Index | Illiopolis | Illinois | National | 
| Cost of living | 78 | 96 | 100 | 
| Goods & Services | 82 | 97 | 100 | 
| Groceries | 96 | 98 | 100 | 
| Health care | 83 | 95 | 100 | 
| Housing | 55 | 95 | 100 | 
| Transportation | 94 | 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 | $74,750 | $6,229 | $1,744 | $2,243 | 
| Renters | $23,906 | $1,992 | $558 | $717 | 
| 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 | Illiopolis | National avg. | Difference | 
| Haircut | $35.50 | $24.26 | 46.3% | 
| Beauty Salon | $44.28 | $45.56 | 2.8% | 
| Toothpaste | $3.85 | $3.70 | 4.1% | 
| Shampoo | $1.22 | $1.28 | 4.6% | 
| Movie | $14.03 | $12.13 | 15.7% | 
| Bowling | $15.58 | $18.00 | 13.4% | 
| Item | Illiopolis | National avg. | Difference | 
| Ground Beef | $5.86 | $5.84 | 0.4% | 
| Fried Chicken | $1.38 | $1.57 | 12.0% | 
| Milk | $4.69 | $4.67 | 0.3% | 
| Potatoes | $5.11 | $4.93 | 3.6% | 
| Pizza | $13.74 | $12.09 | 13.7% | 
| Beer | $10.08 | $10.41 | 3.2% | 
| Item | Illiopolis | National avg. | Difference | 
| Optometrist | $117.14 | $125.68 | 6.8% | 
| Doctor | $149.89 | $135.78 | 10.4% | 
| Dentist | $110.00 | $113.29 | 2.9% | 
| Ibuprofen | $10.40 | $10.65 | 2.4% | 
| Lipitor | $384.07 | $468.60 | 18.0% | 
| Item | Illiopolis | National avg. | Difference | 
| Home Price | $86,200.00 | $184,700.00 | 53.3% | 
| Avg. Mortgage Payment | $1,861.33 | $2,346.69 | 20.7% | 
| Apartment Rent | $705.00 | $949.00 | 25.7% | 
| Item | Illiopolis | National avg. | Difference | 
| Gasoline | $4.03 | $3.46 | 16.3% | 
| Tire Balancing | $64.10 | $59.92 | 7.0% | 
| Item | Illiopolis | National avg. | Difference | 
| All Electricity | $126.60 | $193.99 | 34.7% | 
| Phone | $198.23 | $192.25 | 3.1% | 
| City | Population | Cost of Living Index | National Avg. | 
| Chestnut, IL | 37 | 87 | 12.6% | 
| Cornland, IL | 71 | 94 | 6.1% | 
| Boody, IL | 442 | 75 | 25.0% | 
| Niantic, IL | 657 | 75 | 24.6% | 
| Latham, IL | 355 | 76 | 24.1% | 
| Illiopolis, IL | 767 | 78 | 22.3% | 
| City | Population | Cost of Living Index | National Avg. | 
| Ravenna, KY | 767 | 83 | 16.9% | 
| Midway, LA | 767 | 95 | 5.3% | 
| Kimball, MN | 767 | 95 | 5.1% | 
| Middleville, NY | 767 | 93 | 6.9% | 
| Oak City, UT | 767 | 93 | 6.7% | 
| Illiopolis, IL | 767 | 78 | 22.3% |