| Index | Martinsburg | Iowa | National |
| Income per capita | $42,325 | $42,672 | $44,883 |
| Median household income | $0 | $81,387 | $81,333 |
| Median income owner occupied | $0 | $98,724 | $106,172 |
| Median income renter occupied | $0 | $45,890 | $52,080 |
| Median earnings male | $76,425 | $54,047 | $54,343 |
| Median earnings female | $31,723 | $36,462 | $38,439 |
| Unemployment rate | 2.8% | 3.2% | 4.9% |
| Poverty level | 23.5% | 12.3% | 15.1% |

| 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 | 119 | $134,172 | 65.0% |
| Maharishi Vedic City, IA | 497 | $105,113 | 29.2% |
| Kirkville, IA | 257 | $101,016 | 24.2% |
| Rose Hill, IA | 247 | $80,529 | 1.0% |
| Chillicothe, IA | 101 | $80,240 | 1.3% |
| Martinsburg, IA | 138 | $0 | 100.0% |
| City | Population | Household Income | National Avg. |
| Moorefield, AR | 138 | $78,524 | 3.5% |
| Mead Ranch, AZ | 138 | $0 | 100.0% |
| Dutch Flat, CA | 138 | $61,634 | 24.2% |
| Brick Center, CO | 138 | $0 | 100.0% |
| Allenville, IL | 138 | $79,743 | 2.0% |
| Martinsburg, IA | 138 | $0 | 100.0% |