| Index | Niantic | Illinois | National |
| Cost of living | 80 | 98 | 100 |
| Index | Niantic | Illinois | National |
| Goods & Services | 91 | 98 | 100 |
| Groceries | 93 | 97 | 100 |
| Health care | 85 | 100 | 100 |
| Housing | 46 | 95 | 100 |
| Transportation | 99 | 112 | 100 |
| Utilities | 108 | 97 | 100 |
| 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 | $60,208 | $5,017 | $1,405 | $1,806 |
| Renters | $18,594 | $1,550 | $434 | $558 |
| 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 | Niantic | National avg. | Difference |
| Haircut | $19.66 | $17.49 | 12.4% |
| Beauty Salon | $33.50 | $38.17 | 12.2% |
| Toothpaste | $1.82 | $2.32 | 21.6% |
| Shampoo | $0.89 | $1.01 | 12.0% |
| Movie | $9.39 | $10.72 | 12.4% |
| Bowling | $15.00 | $13.86 | 8.2% |
| Item | Niantic | National avg. | Difference |
| Ground Beef | $4.09 | $3.90 | 4.9% |
| Fried Chicken | $0.87 | $1.40 | 37.7% |
| Milk | $0.89 | $1.96 | 54.6% |
| Potatoes | $3.91 | $3.18 | 22.8% |
| Pizza | $9.49 | $10.39 | 8.7% |
| Beer | $8.49 | $9.23 | 8.0% |
| Item | Niantic | National avg. | Difference |
| Optometrist | $77.00 | $106.34 | 27.6% |
| Doctor | $102.00 | $115.25 | 11.5% |
| Dentist | $72.67 | $98.38 | 26.1% |
| Ibuprofen | $7.98 | $9.26 | 13.8% |
| Lipitor | $511.31 | $466.47 | 9.6% |
| Item | Niantic | National avg. | Difference |
| Home Price | $81,700.00 | $184,700.00 | 55.8% |
| Avg. Mortgage Payment | $1,001.02 | $1,273.32 | 21.4% |
| Apartment Rent | $481.00 | $949.00 | 49.3% |
| Item | Niantic | National avg. | Difference |
| Gasoline | $2.86 | $2.59 | 10.3% |
| Tire Balancing | $41.00 | $48.90 | 16.1% |
| Item | Niantic | National avg. | Difference |
| All Electricity | $187.09 | $167.60 | 11.6% |
| Phone | $188.52 | $163.42 | 15.4% |
| City, State | Population | Cost of Living Index | National Avg. |
| Cornland, IL | 70 | 81 | -19% |
| Broadwell, IL | 152 | 81 | -19% |
| Boody, IL | 259 | 79 | -21% |
| Buffalo, IL | 503 | 84 | -16% |
| Mount Auburn, IL | 580 | 81 | -19% |
| Niantic, IL | 530 | 80 | -20% |
| City, State | Population | Cost of Living Index | National Avg. |
| Hartley, TX | 530 | 80 | -20% |
| Paradise Park, CA | 530 | 138 | 38% |
| Cuyamungue, NM | 530 | 97 | -3% |
| Gays Mills, WI | 530 | 83 | -17% |
| La Fargeville, NY | 530 | 95 | -5% |
| Niantic, IL | 530 | 80 | -20% |
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