| Index | New Underwood | South Dakota | National |
| Income per capita | $33,427 | $41,166 | $44,883 |
| Median household income | $102,572 | $77,914 | $81,333 |
| Median income owner occupied | $111,340 | $100,475 | $106,172 |
| Median income renter occupied | $0 | $45,187 | $52,080 |
| Median earnings male | $58,177 | $52,540 | $54,343 |
| Median earnings female | $39,384 | $36,073 | $38,439 |
| Unemployment rate | 0.0% | 2.9% | 4.9% |
| Poverty level | 17.2% | 14.0% | 15.1% |


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| 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. |
| Green Valley, SD | 1,290 | $96,224 | 18.3% |
| Rapid Valley, SD | 8,750 | $95,864 | 17.9% |
| Box Elder, SD | 10,205 | $85,536 | 5.2% |
| Ashland Heights, SD | 1,118 | $83,116 | 2.2% |
| Caputa, SD | 0 | $0 | 100.0% |
| New Underwood, SD | 779 | $102,572 | 26.1% |
| City | Population | Household Income | National Avg. |
| Hickman, CA | 779 | $108,288 | 33.1% |
| Doerun, GA | 779 | $43,520 | 46.5% |
| Colo, IA | 779 | $102,753 | 26.3% |
| Dighton, KS | 779 | $61,013 | 25.0% |
| Garrison, KY | 779 | $52,860 | 35.0% |
| New Underwood, SD | 779 | $102,572 | 26.1% |