| Index | Marble | North Carolina | National |
| Income per capita | $13,459 | $26,779 | $29,829 |
| Median household income | $39,926 | $48,256 | $55,322 |
| Median income owner occupied | $40,406 | $61,102 | $70,586 |
| Median income renter occupied | $38,558 | $31,027 | $35,192 |
| Median earnings male | $28,750 | $32,737 | $36,919 |
| Median earnings female | $0 | $25,062 | $26,250 |
| Unemployment rate | 6.9% | 5.1% | 4.7% |
| Poverty level | 39.4% | 16.8% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 30.1% | 30.1% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 14.0% | 14.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 55.9% | 55.9% |
| City | Population | Household Income | National Avg. |
| Lake Santeetlah, NC | 40 | $66,500 | 20.2% |
| Murphy, NC | 1,855 | $31,682 | 42.7% |
| Andrews, NC | 1,915 | $29,612 | 46.5% |
| Hayesville, NC | 387 | $25,625 | 53.7% |
| Robbinsville, NC | 854 | $16,150 | 70.8% |
| Marble, NC | 546 | $39,926 | 27.8% |
| City | Population | Household Income | National Avg. |
| Grannis, AR | 546 | $36,333 | 34.3% |
| Helen, GA | 546 | $64,000 | 15.7% |
| Dayton, ID | 546 | $72,857 | 31.7% |
| Warren, MA | 546 | $0 | 100.0% |
| Valier, MT | 546 | $33,984 | 38.6% |
| Marble, NC | 546 | $39,926 | 27.8% |
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