| Index | Underwood | North Dakota | National |
| Income per capita | $37,425 | $33,107 | $29,829 |
| Median household income | $71,296 | $59,114 | $55,322 |
| Median income owner occupied | $81,250 | $76,410 | $70,586 |
| Median income renter occupied | $39,531 | $36,149 | $35,192 |
| Median earnings male | $64,167 | $41,306 | $36,919 |
| Median earnings female | $26,250 | $26,342 | $26,250 |
| Unemployment rate | 3.9% | 1.9% | 4.7% |
| 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 | 1,361 | $76,797 | 38.8% |
| Riverdale, ND | 192 | $66,932 | 21.0% |
| Garrison, ND | 1,708 | $54,318 | 1.8% |
| Coleharbor, ND | 91 | $53,875 | 2.6% |
| Stanton, ND | 397 | $52,000 | 6.0% |
| Underwood, ND | 768 | $71,296 | 28.9% |
| City | Population | Household Income | National Avg. |
| Unalakleet, AK | 768 | $84,375 | 52.5% |
| London, AR | 768 | $33,750 | 39.0% |
| Hana, HI | 768 | $0 | 100.0% |
| Ashland, KS | 768 | $51,042 | 7.7% |
| Kevil, KY | 768 | $43,333 | 21.7% |
| Underwood, ND | 768 | $71,296 | 28.9% |
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