| Index | Nisland | South Dakota | National |
| Income per capita | $15,556 | $27,516 | $29,829 |
| Median household income | $26,328 | $52,078 | $55,322 |
| Median income owner occupied | $26,146 | $66,299 | $70,586 |
| Median income renter occupied | $26,875 | $30,800 | $35,192 |
| Median earnings male | $22,321 | $35,140 | $36,919 |
| Median earnings female | $10,938 | $24,451 | $26,250 |
| Unemployment rate | 0.0% | 2.8% | 4.7% |
| Poverty level | 23.7% | 14.0% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 45.5% | 45.5% |
| Manufacturing sector | 12.1% | 12.1% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 12.1% | 12.1% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 30.3% | 30.3% |
| City | Population | Household Income | National Avg. |
| Newell, SD | 784 | $52,543 | 5.0% |
| Spearfish, SD | 11,702 | $50,072 | 9.5% |
| Belle Fourche, SD | 5,628 | $48,212 | 12.9% |
| Whitewood, SD | 986 | $45,972 | 16.9% |
| St. Onge, SD | 25 | $0 | 100.0% |
| Nisland, SD | 209 | $26,328 | 52.4% |
| City | Population | Household Income | National Avg. |
| Allakaket, AK | 209 | $22,500 | 59.3% |
| Kaltag, AK | 209 | $28,750 | 48.0% |
| Adin, CA | 209 | $39,643 | 28.3% |
| Valley Home, CA | 209 | $0 | 100.0% |
| Oakville, IA | 209 | $52,500 | 5.1% |
| Nisland, SD | 209 | $26,328 | 52.4% |
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