| Index | Langdon | North Dakota | National |
| Income per capita | $75,536 | $49,864 | $44,883 |
| Median household income | $80,607 | $89,503 | $81,333 |
| Median income owner occupied | $110,743 | $111,897 | $106,172 |
| Median income renter occupied | $0 | $53,273 | $52,080 |
| Median earnings male | $61,201 | $60,637 | $54,343 |
| Median earnings female | $45,060 | $38,077 | $38,439 |
| Unemployment rate | 1.3% | 2.0% | 4.9% |
| Poverty level | 15.3% | 11.2% | 15.1% |

| 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 | $144,529 | 77.7% |
| Nekoma, ND | 33 | $132,968 | 63.5% |
| Milton, ND | 47 | $123,881 | 52.3% |
| Alsen, ND | 21 | $80,423 | 1.1% |
| Osnabrock, ND | 134 | $57,024 | 29.9% |
| Langdon, ND | 2,007 | $80,607 | 0.9% |
| City | Population | Household Income | National Avg. |
| Prophetstown, IL | 2,007 | $91,198 | 12.1% |
| Winfield, MO | 2,007 | $80,964 | 0.5% |
| Kenvil, NJ | 2,007 | $99,224 | 22.0% |
| Gordon, GA | 2,008 | $53,478 | 34.2% |
| Malad City, ID | 2,008 | $78,574 | 3.4% |
| Langdon, ND | 2,007 | $80,607 | 0.9% |