| Index | Marble | Minnesota | National |
| Income per capita | $21,608 | $33,225 | $29,829 |
| Median household income | $34,750 | $63,217 | $55,322 |
| Median income owner occupied | $34,750 | $77,618 | $70,586 |
| Median income renter occupied | $0 | $34,348 | $35,192 |
| Median earnings male | $24,844 | $40,933 | $36,919 |
| Median earnings female | $27,794 | $29,114 | $26,250 |
| Unemployment rate | 5.6% | 3.4% | 4.7% |
| Poverty level | 23.2% | 10.8% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 10.2% | 10.2% |
| Manufacturing sector | 17.6% | 17.6% |
| Financial & insurance services | 4.6% | 4.6% |
| Wholesale & retail services | 17.6% | 17.6% |
| Public administration | 3.7% | 3.7% |
| Transportation, warehousing & utilities | 4.6% | 4.6% |
| Education, health & social services | 10.2% | 10.2% |
| Other | 20.4% | 20.4% |
| City | Population | Household Income | National Avg. |
| La Prairie, MN | 732 | $63,929 | 15.6% |
| Taconite, MN | 753 | $59,545 | 7.6% |
| Bovey, MN | 726 | $53,011 | 4.2% |
| Nashwauk, MN | 1,104 | $50,893 | 8.0% |
| Calumet, MN | 341 | $50,625 | 8.5% |
| Marble, MN | 534 | $34,750 | 37.2% |
| City | Population | Household Income | National Avg. |
| Picacho, AZ | 534 | $59,250 | 7.1% |
| Conesville, IA | 534 | $38,571 | 30.3% |
| Truro, IA | 534 | $56,250 | 1.7% |
| Dix, IL | 534 | $30,000 | 45.8% |
| Mark, IL | 534 | $72,500 | 31.1% |
| Marble, MN | 534 | $34,750 | 37.2% |
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