| Index | Marne | Iowa | National |
| Income per capita | $37,421 | $42,672 | $44,883 |
| Median household income | $75,170 | $81,387 | $81,333 |
| Median income owner occupied | $86,350 | $98,724 | $106,172 |
| Median income renter occupied | $49,793 | $45,890 | $52,080 |
| Median earnings male | $55,176 | $54,047 | $54,343 |
| Median earnings female | $34,870 | $36,462 | $38,439 |
| Unemployment rate | 3.0% | 3.2% | 4.9% |
| Poverty level | 26.7% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 20.0% | 20.0% |
| Manufacturing sector | 30.0% | 30.0% |
| Financial & insurance services | 3.3% | 3.3% |
| Wholesale & retail services | 10.0% | 10.0% |
| Public administration | 10.0% | 10.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 26.7% | 26.7% |
| City | Population | Household Income | National Avg. |
| Wiota, IA | 89 | $94,646 | 16.4% |
| Oakland, IA | 1,704 | $86,626 | 6.5% |
| Griswold, IA | 1,211 | $84,749 | 4.2% |
| Elk Horn, IA | 567 | $84,246 | 3.6% |
| Avoca, IA | 1,413 | $79,470 | 2.3% |
| Marne, IA | 134 | $75,170 | 7.6% |
| City | Population | Household Income | National Avg. |
| St. Paul, AR | 134 | $50,857 | 37.5% |
| East Pleasant View, CO | 134 | $0 | 100.0% |
| Garfield, GA | 134 | $89,747 | 10.3% |
| Parrott, GA | 134 | $69,787 | 14.2% |
| St. Olaf, IA | 134 | $93,878 | 15.4% |
| Marne, IA | 134 | $75,170 | 7.6% |