| Index | Belfield | North Dakota | National |
| Income per capita | $36,841 | $49,864 | $44,883 |
| Median household income | $97,570 | $89,503 | $81,333 |
| Median income owner occupied | $85,047 | $111,897 | $106,172 |
| Median income renter occupied | $104,692 | $53,273 | $52,080 |
| Median earnings male | $79,615 | $60,637 | $54,343 |
| Median earnings female | $25,409 | $38,077 | $38,439 |
| Unemployment rate | 4.2% | 2.0% | 4.9% |
| Poverty level | 8.4% | 11.2% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 17.3% | 17.3% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 8.9% | 8.9% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 12.0% | 12.0% |
| Education, health & social services | 12.0% | 12.0% |
| Other | 49.7% | 49.7% |
| City | Population | Household Income | National Avg. |
| South Heart, ND | 459 | $177,312 | 118.0% |
| Belfield, ND | 760 | $97,570 | 20.0% |
| City | Population | Household Income | National Avg. |
| Miracle Valley, AZ | 760 | $0 | 100.0% |
| Catheys Valley, CA | 760 | $79,763 | 1.9% |
| Briny Breezes, FL | 760 | $84,779 | 4.2% |
| Ocean Isle Beach, NC | 760 | $138,199 | 69.9% |
| Rich Square, NC | 760 | $46,594 | 42.7% |
| Belfield, ND | 760 | $97,570 | 20.0% |