| Index | New Underwood | South Dakota | National |
| Income per capita | $22,000 | $27,516 | $29,829 |
| Median household income | $68,654 | $52,078 | $55,322 |
| Median income owner occupied | $74,792 | $66,299 | $70,586 |
| Median income renter occupied | $0 | $30,800 | $35,192 |
| Median earnings male | $40,089 | $35,140 | $36,919 |
| Median earnings female | $26,602 | $24,451 | $26,250 |
| Unemployment rate | 0.0% | 2.8% | 4.7% |
| Poverty level | 17.2% | 14.0% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 22.2% | 22.2% |
| Manufacturing sector | 11.1% | 11.1% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 5.8% | 5.8% |
| Public administration | 9.4% | 9.4% |
| Transportation, warehousing & utilities | 25.7% | 25.7% |
| Education, health & social services | 10.5% | 10.5% |
| Other | 15.2% | 15.2% |
| City | Population | Household Income | National Avg. |
| Rapid Valley, SD | 8,553 | $64,564 | 16.7% |
| Green Valley, SD | 1,252 | $64,048 | 15.8% |
| Box Elder, SD | 9,937 | $56,429 | 2.0% |
| Ashland Heights, SD | 1,082 | $55,765 | 0.8% |
| Caputa, SD | 0 | $0 | 100.0% |
| New Underwood, SD | 758 | $68,654 | 24.1% |
| City | Population | Household Income | National Avg. |
| Hartford, AR | 758 | $37,885 | 31.5% |
| Milner, GA | 758 | $46,250 | 16.4% |
| Plains, GA | 758 | $33,688 | 39.1% |
| Arco, ID | 758 | $21,667 | 60.8% |
| Boswell, IN | 758 | $41,902 | 24.3% |
| New Underwood, SD | 758 | $68,654 | 24.1% |
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