| Index | Roby | Texas | National |
| Cost of living | 80 | 94 | 100 |
| Groceries | 100 | 98 | 100 |
| Health care | 96 | 98 | 100 |
| Housing | 36 | 83 | 100 |
| Transportation | 100 | 98 | 100 |
| Utilities | 103 | 103 | 100 |
| Lifestyle & Entertainment | 94 | 98 | 100 |
| Household Items | 98 | 98 | 100 |
| Education & Childcare | 95 | 98 | 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 | $83,989 | $6,999 | $1,960 | $2,520 |
| Renters | $43,715 | $3,643 | $1,020 | $1,312 |
| State | General Sales Tax | With Max Surtax |
| Texas | 6.25% | 8.25% |
| State | Income Tax (Low) | Income Tax (High) |
| Texas | 0% | 0% |
| City | Population | Cost of Living Index | National Avg. |
| Rotan, TX | 1,326 | 79 | 21.0% |
| Hamlin, TX | 1,869 | 83 | 17.5% |
| Roby, TX | 828 | 80 | 20.5% |
| City | Population | Cost of Living Index | National Avg. |
| Allgood, AL | 828 | 88 | 12.1% |
| Fouke, AR | 828 | 83 | 16.9% |
| Alburnett, IA | 828 | 91 | 8.9% |
| Alden, IA | 828 | 82 | 18.2% |
| Gilbertville, IA | 828 | 90 | 10.0% |
| Roby, TX | 828 | 80 | 20.5% |