| Index | Nisland | South Dakota | National |
| Income per capita | $23,350 | $41,166 | $44,883 |
| Median household income | $38,814 | $77,914 | $81,333 |
| Median income owner occupied | $38,759 | $100,475 | $106,172 |
| Median income renter occupied | $40,542 | $45,187 | $52,080 |
| Median earnings male | $32,206 | $52,540 | $54,343 |
| Median earnings female | $16,138 | $36,073 | $38,439 |
| Unemployment rate | 0.0% | 2.9% | 4.9% |
| 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 | 803 | $77,953 | 4.2% |
| Spearfish, SD | 12,076 | $74,946 | 7.9% |
| Belle Fourche, SD | 5,832 | $70,857 | 12.9% |
| Whitewood, SD | 1,014 | $67,871 | 16.6% |
| St. Onge, SD | 26 | $0 | 100.0% |
| Nisland, SD | 216 | $38,814 | 52.3% |
| City | Population | Household Income | National Avg. |
| Cantwell, AK | 216 | $45,977 | 43.5% |
| Kaltag, AK | 216 | $43,331 | 46.7% |
| Adin, CA | 216 | $58,050 | 28.6% |
| Tecopa, CA | 216 | $48,554 | 40.3% |
| Campbellton, FL | 216 | $42,772 | 47.4% |
| Nisland, SD | 216 | $38,814 | 52.3% |