| Index | Delhi | Iowa | National |
| Income per capita | $52,398 | $42,672 | $44,883 |
| Median household income | $95,097 | $81,387 | $81,333 |
| Median income owner occupied | $105,744 | $98,724 | $106,172 |
| Median income renter occupied | $76,648 | $45,890 | $52,080 |
| Median earnings male | $68,165 | $54,047 | $54,343 |
| Median earnings female | $38,497 | $36,462 | $38,439 |
| Unemployment rate | 0.5% | 3.2% | 4.9% |
| Poverty level | 9.0% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 9.8% | 9.8% |
| Manufacturing sector | 36.8% | 36.8% |
| Financial & insurance services | 1.5% | 1.5% |
| Wholesale & retail services | 6.8% | 6.8% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 9.0% | 9.0% |
| Education, health & social services | 7.5% | 7.5% |
| Other | 28.6% | 28.6% |
| City | Population | Household Income | National Avg. |
| Coggon, IA | 764 | $113,419 | 39.5% |
| Luxemburg, IA | 225 | $107,128 | 31.7% |
| Greeley, IA | 329 | $104,680 | 28.7% |
| Dyersville, IA | 4,271 | $97,343 | 19.7% |
| Earlville, IA | 832 | $95,496 | 17.4% |
| Delhi, IA | 471 | $95,097 | 16.9% |
| City | Population | Household Income | National Avg. |
| West Jefferson, AL | 471 | $0 | 100.0% |
| Boulevard, CA | 471 | $0 | 100.0% |
| Pakala Village, HI | 471 | $67,334 | 17.2% |
| Bonaparte, IA | 471 | $51,144 | 37.1% |
| Riley, IN | 471 | $63,535 | 21.9% |
| Delhi, IA | 471 | $95,097 | 16.9% |