| Index | Delta | Iowa | National |
| Income per capita | $25,874 | $42,672 | $44,883 |
| Median household income | $54,812 | $81,387 | $81,333 |
| Median income owner occupied | $64,269 | $98,724 | $106,172 |
| Median income renter occupied | $0 | $45,890 | $52,080 |
| Median earnings male | $58,484 | $54,047 | $54,343 |
| Median earnings female | $0 | $36,462 | $38,439 |
| Unemployment rate | 17.5% | 3.2% | 4.9% |
| Poverty level | 31.1% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 6.5% | 6.5% |
| Manufacturing sector | 19.4% | 19.4% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 17.7% | 17.7% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 1.6% | 1.6% |
| Education, health & social services | 6.5% | 6.5% |
| Other | 48.4% | 48.4% |
| City | Population | Household Income | National Avg. |
| Keomah Village, IA | 119 | $134,172 | 65.0% |
| Kirkville, IA | 257 | $101,016 | 24.2% |
| Rose Hill, IA | 247 | $80,529 | 1.0% |
| Fremont, IA | 830 | $76,890 | 5.5% |
| Hedrick, IA | 666 | $74,305 | 8.6% |
| Delta, IA | 345 | $54,812 | 32.6% |
| City | Population | Household Income | National Avg. |
| Mineral Bluff, GA | 345 | $0 | 100.0% |
| Mapleton, IL | 345 | $81,661 | 0.4% |
| East Germantown, IN | 345 | $66,226 | 18.6% |
| Smithland, KY | 345 | $84,942 | 4.4% |
| Stratton, NE | 345 | $51,364 | 36.8% |
| Delta, IA | 345 | $54,812 | 32.6% |