| Index | Duncan | Mississippi | National |
| Income per capita | $24,959 | $21,651 | $29,829 |
| Median household income | $40,826 | $40,528 | $55,322 |
| Median income owner occupied | $40,938 | $50,403 | $70,586 |
| Median income renter occupied | $29,167 | $24,844 | $35,192 |
| Median earnings male | $40,978 | $31,665 | $36,919 |
| Median earnings female | $25,417 | $22,259 | $26,250 |
| Unemployment rate | 5.0% | 5.5% | 4.7% |
| Poverty level | 13.6% | 22.3% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 14.6% | 14.6% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 6.1% | 6.1% |
| Transportation, warehousing & utilities | 62.2% | 62.2% |
| Education, health & social services | 3.7% | 3.7% |
| Other | 13.4% | 13.4% |
| City | Population | Household Income | National Avg. |
| Lyon, MS | 439 | $61,818 | 11.7% |
| Merigold, MS | 627 | $45,000 | 18.7% |
| Winstonville, MS | 85 | $43,750 | 20.9% |
| Clarksdale, MS | 15,342 | $30,603 | 44.7% |
| Shelby, MS | 1,666 | $26,321 | 52.4% |
| Duncan, MS | 320 | $40,826 | 26.2% |
| City | Population | Household Income | National Avg. |
| Sand City, CA | 320 | $57,000 | 3.0% |
| Limestone, FL | 320 | $0 | 100.0% |
| Epworth, GA | 320 | $77,722 | 40.5% |
| Silver City, IA | 320 | $66,389 | 20.0% |
| Ewing, IL | 320 | $61,250 | 10.7% |
| Duncan, MS | 320 | $40,826 | 26.2% |
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