| Index | St. Thomas | North Dakota | National |
| Income per capita | $35,269 | $33,107 | $29,829 |
| Median household income | $72,969 | $59,114 | $55,322 |
| Median income owner occupied | $74,844 | $76,410 | $70,586 |
| Median income renter occupied | $43,333 | $36,149 | $35,192 |
| Median earnings male | $50,167 | $41,306 | $36,919 |
| Median earnings female | $31,433 | $26,342 | $26,250 |
| Unemployment rate | 2.2% | 1.9% | 4.7% |
| Poverty level | 11.2% | 11.2% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 19.3% | 19.3% |
| Manufacturing sector | 15.9% | 15.9% |
| Financial & insurance services | 2.3% | 2.3% |
| Wholesale & retail services | 26.1% | 26.1% |
| Public administration | 2.3% | 2.3% |
| Transportation, warehousing & utilities | 15.9% | 15.9% |
| Education, health & social services | 3.4% | 3.4% |
| Other | 14.8% | 14.8% |
| City | Population | Household Income | National Avg. |
| Nash, ND | 35 | $166,477 | 200.9% |
| Hamilton, ND | 58 | $78,500 | 41.9% |
| Drayton, ND | 803 | $65,774 | 18.9% |
| Grafton, ND | 4,139 | $53,535 | 3.2% |
| Canton City, ND | 19 | $50,000 | 9.6% |
| St. Thomas, ND | 340 | $72,969 | 31.9% |
| City | Population | Household Income | National Avg. |
| St. Michael, AK | 340 | $42,813 | 22.6% |
| Cazadero, CA | 340 | $95,455 | 72.5% |
| Chilcoot-Vinton, CA | 340 | $0 | 100.0% |
| St. Marks, FL | 340 | $60,404 | 9.2% |
| Ryan, IA | 340 | $57,250 | 3.5% |
| St. Thomas, ND | 340 | $72,969 | 31.9% |
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