| Index | Eureka | Illinois | National |
| Cost of living | 88 | 96 | 100 |
| Goods & Services | 94 | 97 | 100 |
| Groceries | 99 | 98 | 100 |
| Health care | 86 | 95 | 100 |
| Housing | 71 | 95 | 100 |
| Transportation | 101 | 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 | $65,511 | $5,459 | $1,528 | $1,966 |
| Renters | $17,261 | $1,438 | $403 | $518 |
| 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 | Eureka | National avg. | Difference |
| Haircut | $25.00 | $24.26 | 3.0% |
| Beauty Salon | $39.00 | $45.56 | 14.4% |
| Toothpaste | $3.80 | $3.70 | 2.5% |
| Shampoo | $1.35 | $1.28 | 5.2% |
| Movie | $9.91 | $12.13 | 18.4% |
| Bowling | $15.00 | $18.00 | 16.7% |
| Item | Eureka | National avg. | Difference |
| Ground Beef | $6.23 | $5.84 | 6.8% |
| Fried Chicken | $1.61 | $1.57 | 2.4% |
| Milk | $4.74 | $4.67 | 1.5% |
| Potatoes | $4.97 | $4.93 | 0.6% |
| Pizza | $12.49 | $12.09 | 3.4% |
| Beer | $10.32 | $10.41 | 0.9% |
| Item | Eureka | National avg. | Difference |
| Optometrist | $119.25 | $125.68 | 5.1% |
| Doctor | $128.33 | $135.78 | 5.5% |
| Dentist | $81.17 | $113.29 | 28.4% |
| Ibuprofen | $10.34 | $10.65 | 2.9% |
| Lipitor | $437.64 | $468.60 | 6.6% |
| Item | Eureka | National avg. | Difference |
| Home Price | $133,800.00 | $184,700.00 | 27.6% |
| Avg. Mortgage Payment | $1,766.12 | $2,346.69 | 24.7% |
| Apartment Rent | $638.00 | $949.00 | 32.8% |
| Item | Eureka | National avg. | Difference |
| Gasoline | $3.68 | $3.46 | 6.3% |
| Tire Balancing | $53.33 | $59.92 | 11.0% |
| Item | Eureka | National avg. | Difference |
| All Electricity | $158.51 | $193.99 | 18.3% |
| Phone | $197.49 | $192.25 | 2.7% |
| City | Population | Cost of Living Index | National Avg. |
| Washburn, IL | 1,109 | 82 | 17.5% |
| Secor, IL | 266 | 89 | 10.5% |
| Benson, IL | 460 | 84 | 15.7% |
| Panola, IL | 18 | 91 | 8.9% |
| Chillicothe, IL | 6,326 | 87 | 13.4% |
| Eureka, IL | 5,485 | 88 | 12.3% |
| City | Population | Cost of Living Index | National Avg. |
| Anamosa, IA | 5,484 | 90 | 10.0% |
| Saint-Roch-de-l'Achigan, QC | 5,486 | n/a | |
| Chadron, NE | 5,482 | 89 | 10.7% |
| Glencoe, MN | 5,488 | 95 | 5.3% |
| Orchard Homes, MT | 5,480 | 112 | 11.9% |
| Eureka, IL | 5,485 | 88 | 12.3% |