| Index | Langdon | North Dakota | National |
| Income per capita | $51,014 | $33,107 | $29,829 |
| Median household income | $54,856 | $59,114 | $55,322 |
| Median income owner occupied | $73,438 | $76,410 | $70,586 |
| Median income renter occupied | $0 | $36,149 | $35,192 |
| Median earnings male | $41,854 | $41,306 | $36,919 |
| Median earnings female | $30,804 | $26,342 | $26,250 |
| Unemployment rate | 1.2% | 1.9% | 4.7% |
| Poverty level | 15.3% | 11.2% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 22.5% | 22.5% |
| Manufacturing sector | 2.1% | 2.1% |
| Financial & insurance services | 0.5% | 0.5% |
| Wholesale & retail services | 17.4% | 17.4% |
| Public administration | 0.7% | 0.7% |
| Transportation, warehousing & utilities | 2.5% | 2.5% |
| Education, health & social services | 3.6% | 3.6% |
| Other | 48.8% | 48.8% |
| City | Population | Household Income | National Avg. |
| Wales, ND | 9 | $96,250 | 74.0% |
| Nekoma, ND | 32 | $88,750 | 60.4% |
| Milton, ND | 46 | $81,563 | 47.4% |
| Alsen, ND | 21 | $53,958 | 2.5% |
| Osnabrock, ND | 130 | $37,813 | 31.6% |
| Langdon, ND | 1,936 | $54,856 | 0.8% |
| City | Population | Household Income | National Avg. |
| Avoca, AR | 1,936 | $51,248 | 7.4% |
| Edmonton, KY | 1,936 | $40,673 | 26.5% |
| LaCoste, TX | 1,936 | $68,750 | 24.3% |
| Division No. 7, Subd. M, NL | 1,936 | n/a | |
| Salem city, AR | 1,935 | $23,603 | 57.3% |
| Langdon, ND | 1,936 | $54,856 | 0.8% |