| Index | Mound City | South Dakota | National |
| Income per capita | $20,077 | $27,516 | $29,829 |
| Median household income | $0 | $52,078 | $55,322 |
| Median income owner occupied | $0 | $66,299 | $70,586 |
| Median income renter occupied | $0 | $30,800 | $35,192 |
| Median earnings male | $43,333 | $35,140 | $36,919 |
| Median earnings female | $11,250 | $24,451 | $26,250 |
| Unemployment rate | 4.4% | 2.8% | 4.7% |
| Poverty level | 28.4% | 14.0% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 21.4% | 21.4% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 14.3% | 14.3% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 28.6% | 28.6% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 35.7% | 35.7% |
| City | Population | Household Income | National Avg. |
| Herreid, SD | 450 | $58,125 | 5.1% |
| Glenham, SD | 117 | $57,708 | 4.3% |
| Pollock, SD | 224 | $44,659 | 19.3% |
| Artas, SD | 34 | $32,813 | 40.7% |
| Mound City, SD | 74 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Port Alexander, AK | 74 | $49,688 | 10.2% |
| Willow Creek, AK | 74 | $0 | 100.0% |
| Woodruff, AZ | 74 | $0 | 100.0% |
| Hornitos, CA | 74 | $0 | 100.0% |
| Oakville, CA | 74 | $0 | 100.0% |
| Mound City, SD | 74 | $0 | 100.0% |