| Index | Welsh | Louisiana | National |
| Cost of living | 93 | 93 | 100 |
| Groceries | 100 | 98 | 100 |
| Health care | 97 | 96 | 100 |
| Housing | 81 | 82 | 100 |
| Transportation | 93 | 97 | 100 |
| Utilities | 104 | 101 | 100 |
| Lifestyle & Entertainment | 97 | 96 | 100 |
| Household Items | 97 | 98 | 100 |
| Education & Childcare | 97 | 95 | 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 | $65,557 | $5,463 | $1,530 | $1,967 |
| Renters | $75,693 | $6,308 | $1,766 | $2,271 |
| State | General Sales Tax | With Max Surtax |
| Louisiana | 4.45% | 11.45% |
| State | Income Tax (Low) | Income Tax (High) |
| Louisiana | 1.85% | 4.25% |
| City | Population | Cost of Living Index | National Avg. |
| Roanoke, LA | 566 | 98 | 2.3% |
| Lacassine, LA | 58 | 98 | 2.3% |
| Mermentau, LA | 637 | 78 | 21.7% |
| Hayes, LA | 670 | 79 | 20.9% |
| Fenton, LA | 270 | 82 | 17.5% |
| Welsh, LA | 3,307 | 93 | 7.3% |
| City | Population | Cost of Living Index | National Avg. |
| Newton, MS | 3,306 | 81 | 19.0% |
| Brookhaven, NY | 3,306 | 143 | 43.1% |
| Hartsdale, NY | 3,308 | 134 | 33.7% |
| North Lakeville, MA | 3,305 | 135 | 35.1% |
| Chico, WA | 3,305 | 148 | 48.3% |
| Welsh, LA | 3,307 | 93 | 7.3% |