| Index | De Smet | South Dakota | National |
| Income per capita | $48,704 | $41,166 | $44,883 |
| Median household income | $94,179 | $77,914 | $81,333 |
| Median income owner occupied | $115,198 | $100,475 | $106,172 |
| Median income renter occupied | $61,388 | $45,187 | $52,080 |
| Median earnings male | $74,795 | $52,540 | $54,343 |
| Median earnings female | $45,332 | $36,073 | $38,439 |
| Unemployment rate | 0.0% | 2.9% | 4.9% |
| Poverty level | 5.6% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 9.6% | 9.6% |
| Manufacturing sector | 13.7% | 13.7% |
| Financial & insurance services | 2.0% | 2.0% |
| Wholesale & retail services | 27.3% | 27.3% |
| Public administration | 8.9% | 8.9% |
| Transportation, warehousing & utilities | 2.7% | 2.7% |
| Education, health & social services | 3.1% | 3.1% |
| Other | 30.0% | 30.0% |
| City | Population | Household Income | National Avg. |
| Iroquois, SD | 391 | $82,214 | 1.1% |
| Lake Preston, SD | 461 | $77,705 | 4.5% |
| Oldham, SD | 135 | $66,447 | 18.3% |
| Bryant, SD | 762 | $63,705 | 21.7% |
| Erwin, SD | 56 | $0 | 100.0% |
| De Smet, SD | 1,071 | $94,179 | 15.8% |
| City | Population | Household Income | National Avg. |
| Brantley, AL | 1,071 | $40,602 | 50.1% |
| Thomasboro, IL | 1,071 | $83,197 | 2.3% |
| Viola, IL | 1,071 | $91,002 | 11.9% |
| Grand Coteau, LA | 1,071 | $41,313 | 49.2% |
| Bude, MS | 1,071 | $31,946 | 60.7% |
| De Smet, SD | 1,071 | $94,179 | 15.8% |