| Index | Royal Lakes | Illinois | National |
| Cost of living | 78 | 98 | 100 |
| Groceries | 99 | 100 | 100 |
| Health care | 93 | 100 | 100 |
| Housing | 35 | 95 | 100 |
| Transportation | 97 | 101 | 100 |
| Utilities | 96 | 99 | 100 |
| Lifestyle & Entertainment | 94 | 100 | 100 |
| Household Items | 97 | 100 | 100 |
| Education & Childcare | 96 | 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 | $47,507 | $3,959 | $1,108 | $1,425 |
| Renters | $17,131 | $1,428 | $400 | $514 |
| 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. |
| Eagarville, IL | 174 | 79 | 21.2% |
| Chesterfield, IL | 213 | 79 | 21.1% |
| Rockbridge, IL | 222 | 79 | 20.6% |
| Lake Ka-Ho, IL | 242 | 84 | 16.0% |
| Wilsonville, IL | 631 | 82 | 17.8% |
| Royal Lakes, IL | 292 | 78 | 22.2% |
| City | Population | Cost of Living Index | National Avg. |
| Kalihiwai, HI | 292 | 207 | 107.3% |
| Deep River, IA | 292 | 79 | 21.4% |
| Kensett, IA | 292 | 83 | 16.8% |
| Buncombe, IL | 292 | 83 | 17.5% |
| Plainville, IL | 292 | 82 | 18.5% |
| Royal Lakes, IL | 292 | 78 | 22.2% |