| Index | Earlville | Iowa | National |
| Income per capita | $44,200 | $42,672 | $44,883 |
| Median household income | $95,496 | $81,387 | $81,333 |
| Median income owner occupied | $109,565 | $98,724 | $106,172 |
| Median income renter occupied | $25,448 | $45,890 | $52,080 |
| Median earnings male | $65,284 | $54,047 | $54,343 |
| Median earnings female | $49,994 | $36,462 | $38,439 |
| Unemployment rate | 0.2% | 3.2% | 4.9% |
| Poverty level | 4.1% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 13.7% | 13.7% |
| Manufacturing sector | 34.6% | 34.6% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 18.0% | 18.0% |
| Public administration | 3.8% | 3.8% |
| Transportation, warehousing & utilities | 15.2% | 15.2% |
| Education, health & social services | 4.3% | 4.3% |
| Other | 10.4% | 10.4% |
| City | Population | Household Income | National Avg. |
| Farley, IA | 1,793 | $125,696 | 54.5% |
| Coggon, IA | 764 | $113,419 | 39.5% |
| Luxemburg, IA | 225 | $107,128 | 31.7% |
| Greeley, IA | 329 | $104,680 | 28.7% |
| Holy Cross, IA | 316 | $101,853 | 25.2% |
| Earlville, IA | 832 | $95,496 | 17.4% |
| City | Population | Household Income | National Avg. |
| Poestenkill, NY | 832 | $111,504 | 37.1% |
| Inman Mills, SC | 832 | $55,758 | 31.4% |
| Hingham, WI | 832 | $136,163 | 67.4% |
| Stoddard, WI | 832 | $80,200 | 1.4% |
| Otter Lake, QC | 832 | n/a | |
| Earlville, IA | 832 | $95,496 | 17.4% |