| Index | Rock Falls | Iowa | National |
| Cost of living | 89 | 89 | 100 |
| Groceries | 95 | 97 | 100 |
| Health care | 95 | 96 | 100 |
| Housing | 73 | 74 | 100 |
| Transportation | 96 | 97 | 100 |
| Utilities | 95 | 95 | 100 |
| Lifestyle & Entertainment | 95 | 95 | 100 |
| Household Items | 98 | 97 | 100 |
| Education & Childcare | 98 | 94 | 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 | $83,738 | $6,978 | $1,954 | $2,512 |
| Renters | $0 | $0 | $0 | $0 |
| State | General Sales Tax | With Max Surtax |
| Iowa | 6% | 7% |
| State | Income Tax (Low) | Income Tax (High) |
| Iowa | 4.4% | 6% |
| City | Population | Cost of Living Index | National Avg. |
| Roseville, IA | 0 | 96 | 4.1% |
| Bolan, IA | 10 | 101 | 1.0% |
| Portland, IA | 29 | 96 | 4.1% |
| Burchinal, IA | 20 | 96 | 4.1% |
| Kensett, IA | 292 | 83 | 16.8% |
| Rock Falls, IA | 167 | 89 | 10.8% |
| City | Population | Cost of Living Index | National Avg. |
| Tomales, CA | 167 | 179 | 79.5% |
| Westphalia, IA | 167 | 84 | 16.0% |
| Ferris, IL | 167 | 80 | 19.6% |
| Colburn, IN | 167 | 86 | 14.4% |
| Damar, KS | 167 | 79 | 21.0% |
| Rock Falls, IA | 167 | 89 | 10.8% |