| Index | Gardner | North Dakota | National |
| Income per capita | $24,583 | $33,107 | $29,829 |
| Median household income | $0 | $59,114 | $55,322 |
| Median income owner occupied | $0 | $76,410 | $70,586 |
| Median income renter occupied | $0 | $36,149 | $35,192 |
| Median earnings male | $32,143 | $41,306 | $36,919 |
| Median earnings female | $39,167 | $26,342 | $26,250 |
| Unemployment rate | 3.8% | 1.9% | 4.7% |
| Poverty level | 0.0% | 11.2% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 13.6% | 13.6% |
| Manufacturing sector | 9.1% | 9.1% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 13.6% | 13.6% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 22.7% | 22.7% |
| Education, health & social services | 9.1% | 9.1% |
| Other | 31.8% | 31.8% |
| City | Population | Household Income | National Avg. |
| Brooktree Park, ND | 218 | $168,021 | 203.7% |
| Argusville, ND | 588 | $135,156 | 144.3% |
| North River, ND | 49 | $114,750 | 107.4% |
| Harwood, ND | 725 | $110,625 | 100.0% |
| Amenia, ND | 139 | $78,750 | 42.3% |
| Gardner, ND | 96 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Campo, CO | 96 | $26,667 | 51.8% |
| Belleair Shore, FL | 96 | $0 | 100.0% |
| Harper, IA | 96 | $44,167 | 20.2% |
| Ellisville, IL | 96 | $41,250 | 25.4% |
| Kinsman, IL | 96 | $81,875 | 48.0% |
| Gardner, ND | 96 | $0 | 100.0% |
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