| Index | Iroquois | South Dakota | National |
| Income per capita | $23,270 | $27,516 | $29,829 |
| Median household income | $54,706 | $52,078 | $55,322 |
| Median income owner occupied | $56,250 | $66,299 | $70,586 |
| Median income renter occupied | $53,125 | $30,800 | $35,192 |
| Median earnings male | $40,125 | $35,140 | $36,919 |
| Median earnings female | $31,250 | $24,451 | $26,250 |
| Unemployment rate | 2.1% | 2.8% | 4.7% |
| Poverty level | 3.7% | 14.0% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 6.6% | 6.6% |
| Manufacturing sector | 22.6% | 22.6% |
| Financial & insurance services | 1.9% | 1.9% |
| Wholesale & retail services | 29.2% | 29.2% |
| Public administration | 0.9% | 0.9% |
| Transportation, warehousing & utilities | 6.6% | 6.6% |
| Education, health & social services | 13.2% | 13.2% |
| Other | 18.9% | 18.9% |
| City | Population | Household Income | National Avg. |
| Cavour, SD | 222 | $78,750 | 42.3% |
| De Smet, SD | 1,041 | $64,479 | 16.6% |
| Yale, SD | 162 | $61,726 | 11.6% |
| Carthage, SD | 181 | $52,794 | 4.6% |
| Bancroft, SD | 50 | $0 | 100.0% |
| Iroquois, SD | 378 | $54,706 | 1.1% |
| City | Population | Household Income | National Avg. |
| Charlotte, IA | 378 | $53,438 | 3.4% |
| Belle Rive, IL | 378 | $45,192 | 18.3% |
| Hazel, KY | 378 | $34,091 | 38.4% |
| Akron, MI | 378 | $40,833 | 26.2% |
| Annapolis, MO | 378 | $31,964 | 42.2% |
| Iroquois, SD | 378 | $54,706 | 1.1% |
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