| Index | Royal | Iowa | National |
| Cost of living | 82 | 89 | 100 |
| Groceries | 96 | 97 | 100 |
| Health care | 98 | 96 | 100 |
| Housing | 50 | 74 | 100 |
| Transportation | 98 | 97 | 100 |
| Utilities | 91 | 95 | 100 |
| Lifestyle & Entertainment | 92 | 95 | 100 |
| Household Items | 96 | 97 | 100 |
| Education & Childcare | 96 | 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 | $91,983 | $7,665 | $2,146 | $2,760 |
| Renters | $72,387 | $6,032 | $1,689 | $2,172 |
| 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. |
| Greenville, IA | 63 | 96 | 4.3% |
| Rossie, IA | 87 | 96 | 4.3% |
| Gillett Grove, IA | 27 | 74 | 26.4% |
| Larrabee, IA | 145 | 75 | 24.7% |
| Sutherland, IA | 544 | 78 | 21.6% |
| Royal, IA | 522 | 82 | 18.0% |
| City | Population | Cost of Living Index | National Avg. |
| Galena, AK | 522 | 110 | 9.8% |
| Ballico, CA | 522 | 137 | 37.2% |
| New Albin, IA | 522 | 86 | 13.8% |
| Trout Valley, IL | 522 | 129 | 29.5% |
| Harrisville, MI | 522 | 85 | 15.3% |
| Royal, IA | 522 | 82 | 18.0% |