| Index | Buffalo | South Dakota | National |
| Income per capita | $54,536 | $41,166 | $44,883 |
| Median household income | $97,270 | $77,914 | $81,333 |
| Median income owner occupied | $116,996 | $100,475 | $106,172 |
| Median income renter occupied | $80,217 | $45,187 | $52,080 |
| Median earnings male | $80,160 | $52,540 | $54,343 |
| Median earnings female | $33,047 | $36,073 | $38,439 |
| Unemployment rate | 2.6% | 2.9% | 4.9% |
| Poverty level | 2.1% | 14.0% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 51.4% | 51.4% |
| Manufacturing sector | 1.9% | 1.9% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 11.4% | 11.4% |
| Public administration | 6.7% | 6.7% |
| Transportation, warehousing & utilities | 5.7% | 5.7% |
| Education, health & social services | 1.9% | 1.9% |
| Other | 21.0% | 21.0% |
| City | Population | Household Income | National Avg. |
| Buffalo, SD | 292 | $97,270 | 19.6% |
| City | Population | Household Income | National Avg. |
| Kalihiwai, HI | 292 | $100,489 | 23.6% |
| Deep River, IA | 292 | $76,477 | 6.0% |
| Kensett, IA | 292 | $49,496 | 39.1% |
| Buncombe, IL | 292 | $67,349 | 17.2% |
| Plainville, IL | 292 | $74,523 | 8.4% |
| Buffalo, SD | 292 | $97,270 | 19.6% |