| Index | Grand Coteau | Louisiana | National |
| Cost of living | 88 | 93 | 100 |
| Groceries | 96 | 98 | 100 |
| Health care | 96 | 96 | 100 |
| Housing | 68 | 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 | $36,940 | $3,078 | $862 | $1,108 |
| Renters | $0 | $0 | $0 | $0 |
| 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. |
| Branch, LA | 368 | 74 | 26.3% |
| Arnaudville, LA | 1,661 | 81 | 19.0% |
| Port Barre, LA | 1,666 | 83 | 17.4% |
| Cankton, LA | 932 | 83 | 17.3% |
| Lawtell, LA | 762 | 84 | 16.3% |
| Grand Coteau, LA | 1,071 | 88 | 11.6% |
| City | Population | Cost of Living Index | National Avg. |
| Brantley, AL | 1,071 | 82 | 17.9% |
| Thomasboro, IL | 1,071 | 87 | 13.2% |
| Viola, IL | 1,071 | 87 | 13.1% |
| Bude, MS | 1,071 | 78 | 22.4% |
| Tyrone, OK | 1,071 | 83 | 17.5% |
| Grand Coteau, LA | 1,071 | 88 | 11.6% |