| Index | Erath | Louisiana | National |
| Cost of living | 88 | 93 | 100 |
| Groceries | 96 | 98 | 100 |
| Health care | 96 | 96 | 100 |
| Housing | 65 | 82 | 100 |
| Transportation | 100 | 97 | 100 |
| Utilities | 100 | 101 | 100 |
| Lifestyle & Entertainment | 93 | 96 | 100 |
| Household Items | 100 | 98 | 100 |
| Education & Childcare | 96 | 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 | $76,888 | $6,407 | $1,794 | $2,307 |
| Renters | $45,957 | $3,830 | $1,072 | $1,379 |
| 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. |
| Cade, LA | 2,128 | 97 | 2.7% |
| Kaplan, LA | 4,599 | 81 | 19.5% |
| Delcambre, LA | 2,150 | 85 | 15.4% |
| Abbeville, LA | 12,525 | 85 | 14.5% |
| St. Martinville, LA | 5,982 | 88 | 12.3% |
| Erath, LA | 2,332 | 88 | 12.4% |
| City | Population | Cost of Living Index | National Avg. |
| Granby, CO | 2,332 | 113 | 13.3% |
| Fraser Valley H, BC | 2,332 | n/a | |
| Falconer, NY | 2,331 | 83 | 16.6% |
| Memphis, TX | 2,331 | 81 | 18.6% |
| Cambridge, NY | 2,333 | 101 | 0.9% |
| Erath, LA | 2,332 | 88 | 12.4% |