| Index | Martinsburg | Iowa | National |
| Income per capita | $28,366 | $28,872 | $29,829 |
| Median household income | $0 | $54,570 | $55,322 |
| Median income owner occupied | $0 | $66,527 | $70,586 |
| Median income renter occupied | $0 | $30,828 | $35,192 |
| Median earnings male | $52,813 | $37,409 | $36,919 |
| Median earnings female | $21,667 | $25,115 | $26,250 |
| Unemployment rate | 2.7% | 3.1% | 4.7% |
| Poverty level | 23.5% | 12.3% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 59.1% | 59.1% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 18.2% | 18.2% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 9.1% | 9.1% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 13.6% | 13.6% |
| City | Population | Household Income | National Avg. |
| Keomah Village, IA | 114 | $88,750 | 60.4% |
| Maharishi Vedic City, IA | 486 | $69,688 | 26.0% |
| Kirkville, IA | 251 | $67,750 | 22.5% |
| Rose Hill, IA | 241 | $53,750 | 2.8% |
| Chillicothe, IA | 99 | $53,125 | 4.0% |
| Martinsburg, IA | 132 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Yellow Bluff, AL | 132 | $9,506 | 82.8% |
| Vallecito, CA | 132 | $44,375 | 19.8% |
| Otter Creek, FL | 132 | $50,250 | 9.2% |
| Blockton, IA | 132 | $42,083 | 23.9% |
| Geneva, IA | 132 | $58,750 | 6.2% |
| Martinsburg, IA | 132 | $0 | 100.0% |