| Index | Prophetstown | Illinois | National |
| Cost of living | 85 | 98 | 100 |
| Groceries | 97 | 100 | 100 |
| Health care | 97 | 100 | 100 |
| Housing | 60 | 95 | 100 |
| Transportation | 97 | 101 | 100 |
| Utilities | 93 | 99 | 100 |
| Lifestyle & Entertainment | 96 | 100 | 100 |
| Household Items | 96 | 100 | 100 |
| Education & Childcare | 97 | 100 | 100 |

| Cost of living index | |
| Groceries index | |
| Health care index | |
| Housing index | |
| Transportation index | |
| Utilities index | |
| Lifestyle index | |
| Household index | |
| Educare index |
| Median Income | Per Year | Per Month | Max Budget (28% DTI) | Max Budget (36% DTI) |
| Owners | $99,359 | $8,280 | $2,318 | $2,981 |
| Renters | $37,649 | $3,137 | $878 | $1,130 |
| State | General Sales Tax | With Max Surtax |
| Illinois | 6.25% | 10.25% |
| State | Income Tax (Low) | Income Tax (High) |
| Illinois | 4.95% | 4.95% |
| City | Population | Cost of Living Index | National Avg. |
| Deer Grove, IL | 34 | 77 | 23.0% |
| New Bedford, IL | 58 | 78 | 21.7% |
| Hooppole, IL | 182 | 79 | 20.6% |
| Rock Falls, IL | 9,152 | 82 | 18.2% |
| Hillsdale, IL | 546 | 82 | 17.9% |
| Prophetstown, IL | 2,007 | 85 | 14.6% |
| City | Population | Cost of Living Index | National Avg. |
| Winfield, MO | 2,007 | 88 | 11.9% |
| Langdon, ND | 2,007 | 87 | 13.0% |
| Kenvil, NJ | 2,007 | 127 | 27.2% |
| Gordon, GA | 2,008 | 84 | 15.8% |
| Malad City, ID | 2,008 | 94 | 6.0% |
| Prophetstown, IL | 2,007 | 85 | 14.6% |