| Index | Duncan | Mississippi | National |
| Cost of living | 96 | 86 | 100 |
| Groceries | 96 | 97 | 100 |
| Health care | 97 | 95 | 100 |
| Housing | n/a | 63 | 100 |
| Transportation | 98 | 94 | 100 |
| Utilities | 97 | 98 | 100 |
| Lifestyle & Entertainment | 92 | 94 | 100 |
| Household Items | 96 | 96 | 100 |
| Education & Childcare | 95 | 94 | 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 | $60,172 | $5,014 | $1,404 | $1,805 |
| Renters | $44,159 | $3,680 | $1,030 | $1,325 |
| State | General Sales Tax | With Max Surtax |
| Mississippi | 7% | 7.25% |
| State | Income Tax (Low) | Income Tax (High) |
| Mississippi | 5% | 5% |
| City | Population | Cost of Living Index | National Avg. |
| Mound Bayou, MS | 1,730 | 80 | 20.4% |
| Gunnison, MS | 442 | 80 | 20.3% |
| Winstonville, MS | 89 | 80 | 19.7% |
| Shelby, MS | 1,701 | 80 | 19.5% |
| Clarksdale, MS | 15,683 | 81 | 19.4% |
| Duncan, MS | 327 | 96 | 4.2% |
| City | Population | Cost of Living Index | National Avg. |
| Cash, AR | 327 | 80 | 19.7% |
| Woodville, GA | 327 | 83 | 16.6% |
| Frederika, IA | 327 | 85 | 15.1% |
| Kiron, IA | 327 | 80 | 20.1% |
| Ute, IA | 327 | 80 | 20.4% |
| Duncan, MS | 327 | 96 | 4.2% |