| Index | Marvin | South Dakota | National |
| Income per capita | $44,074 | $41,166 | $44,883 |
| Median household income | $75,640 | $77,914 | $81,333 |
| Median income owner occupied | $85,658 | $100,475 | $106,172 |
| Median income renter occupied | $0 | $45,187 | $52,080 |
| Median earnings male | $82,677 | $52,540 | $54,343 |
| Median earnings female | $0 | $36,073 | $38,439 |
| Unemployment rate | 0.0% | 2.9% | 4.9% |
| Poverty level | 0.0% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 25.0% | 25.0% |
| Manufacturing sector | 62.5% | 62.5% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 12.5% | 12.5% |
| City | Population | Household Income | National Avg. |
| Corona, SD | 46 | $98,149 | 20.7% |
| Milbank, SD | 3,218 | $87,306 | 7.3% |
| La Bolt, SD | 103 | $87,063 | 7.0% |
| Twin Brooks, SD | 46 | $81,280 | 0.1% |
| Stockholm, SD | 138 | $79,669 | 2.0% |
| Marvin, SD | 19 | $75,640 | 7.0% |
| City | Population | Household Income | National Avg. |
| Red Devil, AK | 19 | $0 | 100.0% |
| Alamo Lake, AZ | 19 | $210,790 | 159.2% |
| Little Valley, CA | 19 | $0 | 100.0% |
| Redcrest, CA | 19 | $0 | 100.0% |
| Shoshone, CA | 19 | $215,601 | 165.1% |
| Marvin, SD | 19 | $75,640 | 7.0% |