| Index | Marble | North Carolina | National |
| Income per capita | $19,782 | $40,311 | $44,883 |
| Median household income | $59,651 | $71,390 | $81,333 |
| Median income owner occupied | $60,692 | $89,419 | $106,172 |
| Median income renter occupied | $56,629 | $45,314 | $52,080 |
| Median earnings male | $42,524 | $47,759 | $54,343 |
| Median earnings female | $0 | $37,334 | $38,439 |
| Unemployment rate | 7.3% | 5.4% | 4.9% |
| 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 | 41 | $99,914 | 22.8% |
| Murphy, NC | 1,903 | $46,910 | 42.3% |
| Andrews, NC | 1,970 | $43,509 | 46.5% |
| Hayesville, NC | 396 | $38,018 | 53.3% |
| Robbinsville, NC | 877 | $24,031 | 70.5% |
| Marble, NC | 566 | $59,651 | 26.7% |
| City | Population | Household Income | National Avg. |
| Whigham, GA | 566 | $72,897 | 10.4% |
| Carlisle, IN | 566 | $86,871 | 6.8% |
| Roanoke, LA | 566 | $0 | 100.0% |
| Darrtown, OH | 566 | $100,900 | 24.1% |
| East Dailey, WV | 566 | $73,466 | 9.7% |
| Marble, NC | 566 | $59,651 | 26.7% |