| Index | Selby | South Dakota | National |
| Income per capita | $42,756 | $41,166 | $44,883 |
| Median household income | $74,610 | $77,914 | $81,333 |
| Median income owner occupied | $81,535 | $100,475 | $106,172 |
| Median income renter occupied | $44,195 | $45,187 | $52,080 |
| Median earnings male | $45,576 | $52,540 | $54,343 |
| Median earnings female | $45,083 | $36,073 | $38,439 |
| Unemployment rate | 4.9% | 2.9% | 4.9% |
| Poverty level | 2.5% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 2.7% | 2.7% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 4.7% | 4.7% |
| Wholesale & retail services | 6.1% | 6.1% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 18.2% | 18.2% |
| Education, health & social services | 6.8% | 6.8% |
| Other | 61.5% | 61.5% |
| City | Population | Household Income | National Avg. |
| Glenham, SD | 120 | $84,716 | 4.2% |
| Akaska, SD | 49 | $71,986 | 11.5% |
| Java, SD | 122 | $52,960 | 34.9% |
| Lowry, SD | 3 | $0 | 100.0% |
| Selby, SD | 526 | $74,610 | 8.3% |
| City | Population | Household Income | National Avg. |
| Dutton, AL | 526 | $0 | 100.0% |
| Rose Bud, AR | 526 | $64,549 | 20.6% |
| Maynard, IA | 526 | $56,680 | 30.3% |
| Williamsfield, IL | 526 | $89,165 | 9.6% |
| West Baden Springs, IN | 526 | $68,546 | 15.7% |
| Selby, SD | 526 | $74,610 | 8.3% |