| Index | Mount Vernon | Iowa | National |
| Income per capita | $42,466 | $42,672 | $44,883 |
| Median household income | $105,665 | $81,387 | $81,333 |
| Median income owner occupied | $140,635 | $98,724 | $106,172 |
| Median income renter occupied | $65,556 | $45,890 | $52,080 |
| Median earnings male | $46,743 | $54,047 | $54,343 |
| Median earnings female | $41,958 | $36,462 | $38,439 |
| Unemployment rate | 3.7% | 3.2% | 4.9% |
| Poverty level | 7.7% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 6.1% | 6.1% |
| Manufacturing sector | 30.6% | 30.6% |
| Financial & insurance services | 7.4% | 7.4% |
| Wholesale & retail services | 2.8% | 2.8% |
| Public administration | 3.6% | 3.6% |
| Transportation, warehousing & utilities | 2.1% | 2.1% |
| Education, health & social services | 24.3% | 24.3% |
| Other | 20.5% | 20.5% |
| City | Population | Household Income | National Avg. |
| Robins, IA | 3,584 | $198,760 | 144.4% |
| Shueyville, IA | 819 | $191,917 | 136.0% |
| Ely, IA | 2,272 | $141,486 | 74.0% |
| Swisher, IA | 1,096 | $135,120 | 66.1% |
| Bertram, IA | 279 | $134,922 | 65.9% |
| Mount Vernon, IA | 4,587 | $105,665 | 29.9% |
| City | Population | Household Income | National Avg. |
| Park Layne, OH | 4,587 | $77,520 | 4.7% |
| Fabens, TX | 4,587 | $43,470 | 46.6% |
| Winnfield, LA | 4,586 | $47,300 | 41.8% |
| Port Hardy, BC | 4,586 | n/a | |
| Farley, KY | 4,588 | $58,266 | 28.4% |
| Mount Vernon, IA | 4,587 | $105,665 | 29.9% |