| Index | Oacoma | South Dakota | National |
| Income per capita | $46,332 | $41,166 | $44,883 |
| Median household income | $98,269 | $77,914 | $81,333 |
| Median income owner occupied | $108,162 | $100,475 | $106,172 |
| Median income renter occupied | $49,981 | $45,187 | $52,080 |
| Median earnings male | $56,687 | $52,540 | $54,343 |
| Median earnings female | $48,631 | $36,073 | $38,439 |
| Unemployment rate | 2.2% | 2.9% | 4.9% |
| Poverty level | 7.5% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 16.5% | 16.5% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 12.6% | 12.6% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 24.3% | 24.3% |
| Other | 46.6% | 46.6% |
| City | Population | Household Income | National Avg. |
| Pukwana, SD | 365 | $89,692 | 10.3% |
| Reliance, SD | 113 | $81,554 | 0.3% |
| Chamberlain, SD | 2,637 | $75,241 | 7.5% |
| Ola, SD | 0 | $0 | 100.0% |
| Oacoma, SD | 384 | $98,269 | 20.8% |
| City | Population | Household Income | National Avg. |
| Portland, AR | 384 | $58,469 | 28.1% |
| Mount Clare, IL | 384 | $45,820 | 43.7% |
| Shelby, IN | 384 | $83,195 | 2.3% |
| Woodburn, KY | 384 | $110,578 | 36.0% |
| Beaver Crossing, NE | 384 | $83,922 | 3.2% |
| Oacoma, SD | 384 | $98,269 | 20.8% |