| Index | Martinsburg | Missouri | National |
| Income per capita | $27,414 | $39,715 | $44,883 |
| Median household income | $39,952 | $72,613 | $81,333 |
| Median income owner occupied | $40,881 | $90,986 | $106,172 |
| Median income renter occupied | $31,589 | $45,210 | $52,080 |
| Median earnings male | $0 | $52,324 | $54,343 |
| Median earnings female | $16,638 | $36,971 | $38,439 |
| Unemployment rate | 1.5% | 4.4% | 4.9% |
| Poverty level | 15.6% | 15.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 6.2% | 6.2% |
| Manufacturing sector | 27.2% | 27.2% |
| Financial & insurance services | 1.2% | 1.2% |
| Wholesale & retail services | 48.1% | 48.1% |
| Public administration | 6.2% | 6.2% |
| Transportation, warehousing & utilities | 2.5% | 2.5% |
| Education, health & social services | 1.2% | 1.2% |
| Other | 7.4% | 7.4% |
| City | Population | Household Income | National Avg. |
| Farber, MO | 419 | $76,443 | 6.0% |
| Wellsville, MO | 1,176 | $72,846 | 10.4% |
| Auxvasse, MO | 1,254 | $67,242 | 17.3% |
| Montgomery City, MO | 2,765 | $63,878 | 21.5% |
| Laddonia, MO | 599 | $62,774 | 22.8% |
| Martinsburg, MO | 597 | $39,952 | 50.9% |
| City | Population | Household Income | National Avg. |
| Murrayville, IL | 597 | $76,888 | 5.5% |
| Gainesville, MO | 597 | $21,825 | 73.2% |
| West Valley, NY | 597 | $94,334 | 16.0% |
| Austinburg, OH | 597 | $27,766 | 65.9% |
| Point Comfort, TX | 597 | $107,964 | 32.7% |
| Martinsburg, MO | 597 | $39,952 | 50.9% |