| Index | Mount Vernon | Missouri | National |
| Income per capita | $33,936 | $39,715 | $44,883 |
| Median household income | $55,853 | $72,613 | $81,333 |
| Median income owner occupied | $68,445 | $90,986 | $106,172 |
| Median income renter occupied | $52,656 | $45,210 | $52,080 |
| Median earnings male | $53,329 | $52,324 | $54,343 |
| Median earnings female | $29,435 | $36,971 | $38,439 |
| Unemployment rate | 6.0% | 4.4% | 4.9% |
| Poverty level | 17.8% | 15.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 7.1% | 7.1% |
| Manufacturing sector | 16.7% | 16.7% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 8.1% | 8.1% |
| Public administration | 6.1% | 6.1% |
| Transportation, warehousing & utilities | 17.6% | 17.6% |
| Education, health & social services | 27.7% | 27.7% |
| Other | 16.7% | 16.7% |
| City | Population | Household Income | National Avg. |
| Wentworth, MO | 111 | $80,734 | 0.7% |
| Freistatt, MO | 339 | $72,260 | 11.2% |
| Marionville, MO | 2,718 | $66,294 | 18.5% |
| Pierce City, MO | 1,507 | $60,690 | 25.4% |
| Billings, MO | 943 | $58,249 | 28.4% |
| Mount Vernon, MO | 4,602 | $55,853 | 31.3% |
| City | Population | Household Income | National Avg. |
| Sayre, OK | 4,603 | $48,937 | 39.8% |
| West Peoria, IL | 4,604 | $71,888 | 11.6% |
| Kaplan, LA | 4,599 | $47,270 | 41.9% |
| Lenwood, CA | 4,605 | $77,239 | 5.0% |
| Ottawa Hills, OH | 4,598 | $224,099 | 175.5% |
| Mount Vernon, MO | 4,602 | $55,853 | 31.3% |