| Index | Underwood | North Dakota | National |
| Income per capita | $54,854 | $49,864 | $44,883 |
| Median household income | $104,549 | $89,503 | $81,333 |
| Median income owner occupied | $118,856 | $111,897 | $106,172 |
| Median income renter occupied | $58,789 | $53,273 | $52,080 |
| Median earnings male | $92,523 | $60,637 | $54,343 |
| Median earnings female | $39,247 | $38,077 | $38,439 |
| Unemployment rate | 4.1% | 2.0% | 4.9% |
| Poverty level | 3.6% | 11.2% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 12.0% | 12.0% |
| Manufacturing sector | 4.1% | 4.1% |
| Financial & insurance services | 1.2% | 1.2% |
| Wholesale & retail services | 5.8% | 5.8% |
| Public administration | 15.7% | 15.7% |
| Transportation, warehousing & utilities | 15.3% | 15.3% |
| Education, health & social services | 2.9% | 2.9% |
| Other | 43.0% | 43.0% |
| City | Population | Household Income | National Avg. |
| Washburn, ND | 1,406 | $115,344 | 41.8% |
| Riverdale, ND | 199 | $100,180 | 23.2% |
| Coleharbor, ND | 95 | $81,626 | 0.4% |
| Garrison, ND | 1,770 | $80,593 | 0.9% |
| Stanton, ND | 410 | $78,094 | 4.0% |
| Underwood, ND | 786 | $104,549 | 28.5% |
| City | Population | Household Income | National Avg. |
| Mulga, AL | 786 | $48,964 | 39.8% |
| Ruthven, IA | 786 | $68,100 | 16.3% |
| Elliott, MS | 786 | $60,486 | 25.6% |
| Minto, ND | 786 | $99,970 | 22.9% |
| Spencer, NY | 786 | $81,166 | 0.2% |
| Underwood, ND | 786 | $104,549 | 28.5% |