| Index | Selfridge | North Dakota | National |
| Income per capita | $47,416 | $49,864 | $44,883 |
| Median household income | $0 | $89,503 | $81,333 |
| Median income owner occupied | $0 | $111,897 | $106,172 |
| Median income renter occupied | $59,756 | $53,273 | $52,080 |
| Median earnings male | $119,920 | $60,637 | $54,343 |
| Median earnings female | $52,934 | $38,077 | $38,439 |
| Unemployment rate | 1.4% | 2.0% | 4.9% |
| Poverty level | 18.8% | 11.2% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 17.0% | 17.0% |
| Manufacturing sector | 3.8% | 3.8% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 3.8% | 3.8% |
| Public administration | 7.5% | 7.5% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 58.5% | 58.5% |
| Other | 9.4% | 9.4% |
| City | Population | Household Income | National Avg. |
| Fort Yates, ND | 242 | $65,524 | 19.4% |
| Porcupine, ND | 169 | $61,588 | 24.3% |
| Selfridge, ND | 315 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Caspar, CA | 315 | $199,357 | 145.1% |
| Surrency, GA | 315 | $42,701 | 47.5% |
| Alvan, IL | 315 | $68,702 | 15.5% |
| Switz City, IN | 315 | $41,230 | 49.3% |
| Gilmore, MD | 315 | $135,791 | 67.0% |
| Selfridge, ND | 315 | $0 | 100.0% |