| Index | Martelle | Iowa | National |
| Income per capita | $46,313 | $42,672 | $44,883 |
| Median household income | $109,761 | $81,387 | $81,333 |
| Median income owner occupied | $122,956 | $98,724 | $106,172 |
| Median income renter occupied | $58,636 | $45,890 | $52,080 |
| Median earnings male | $74,571 | $54,047 | $54,343 |
| Median earnings female | $59,964 | $36,462 | $38,439 |
| Unemployment rate | 2.6% | 3.2% | 4.9% |
| Poverty level | 5.8% | 12.3% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 25.3% | 25.3% |
| Manufacturing sector | 14.1% | 14.1% |
| Financial & insurance services | 12.1% | 12.1% |
| Wholesale & retail services | 6.1% | 6.1% |
| Public administration | 2.0% | 2.0% |
| Transportation, warehousing & utilities | 5.1% | 5.1% |
| Education, health & social services | 5.1% | 5.1% |
| Other | 28.3% | 28.3% |
| City | Population | Household Income | National Avg. |
| Ely, IA | 2,272 | $141,486 | 74.0% |
| Bertram, IA | 279 | $134,922 | 65.9% |
| Solon, IA | 2,747 | $126,974 | 56.1% |
| Lisbon, IA | 2,213 | $113,252 | 39.2% |
| Marion, IA | 41,096 | $109,229 | 34.3% |
| Martelle, IA | 317 | $109,761 | 35.0% |
| City | Population | Household Income | National Avg. |
| Maytown, AL | 317 | $68,526 | 15.7% |
| Buckner, AR | 317 | $0 | 100.0% |
| Onslow, IA | 317 | $51,724 | 36.4% |
| Hollister, ID | 317 | $61,694 | 24.1% |
| Richview, IL | 317 | $69,562 | 14.5% |
| Martelle, IA | 317 | $109,761 | 35.0% |