| Index | Voltaire | North Dakota | National |
| Income per capita | $26,376 | $33,107 | $29,829 |
| Median household income | $0 | $59,114 | $55,322 |
| Median income owner occupied | $18,833 | $76,410 | $70,586 |
| Median income renter occupied | $0 | $36,149 | $35,192 |
| Median earnings male | $0 | $41,306 | $36,919 |
| Median earnings female | $37,750 | $26,342 | $26,250 |
| Unemployment rate | 0.0% | 1.9% | 4.7% |
| Poverty level | 11.1% | 11.2% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 12.5% | 12.5% |
| Manufacturing sector | 12.5% | 12.5% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 12.5% | 12.5% |
| Education, health & social services | 50.0% | 50.0% |
| Other | 12.5% | 12.5% |
| City | Population | Household Income | National Avg. |
| Sawyer, ND | 278 | $75,313 | 36.1% |
| Surrey, ND | 1,061 | $65,469 | 18.3% |
| Velva, ND | 1,256 | $60,208 | 8.8% |
| Butte, ND | 88 | $44,375 | 19.8% |
| Balfour, ND | 13 | $38,438 | 30.5% |
| Voltaire, ND | 45 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Libertyville, AL | 45 | $61,750 | 11.6% |
| Hensley, AR | 45 | $0 | 100.0% |
| Volcano, CA | 45 | $0 | 100.0% |
| Anderson, IA | 45 | $0 | 100.0% |
| Balltown, IA | 45 | $0 | 100.0% |
| Voltaire, ND | 45 | $0 | 100.0% |