| Index | Madrid | Iowa | National |
| Income per capita | $45,554 | $42,672 | $44,883 |
| Median household income | $99,958 | $81,387 | $81,333 |
| Median income owner occupied | $110,475 | $98,724 | $106,172 |
| Median income renter occupied | $63,181 | $45,890 | $52,080 |
| Median earnings male | $64,603 | $54,047 | $54,343 |
| Median earnings female | $58,851 | $36,462 | $38,439 |
| Unemployment rate | 1.8% | 3.2% | 4.9% |
| Poverty level | 6.6% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 15.3% | 15.3% |
| Manufacturing sector | 5.5% | 5.5% |
| Financial & insurance services | 4.2% | 4.2% |
| Wholesale & retail services | 18.8% | 18.8% |
| Public administration | 3.8% | 3.8% |
| Transportation, warehousing & utilities | 9.4% | 9.4% |
| Education, health & social services | 19.9% | 19.9% |
| Other | 21.8% | 21.8% |
| City | Population | Household Income | National Avg. |
| Polk City, IA | 4,940 | $189,188 | 132.6% |
| Alleman, IA | 447 | $167,707 | 106.2% |
| Huxley, IA | 4,000 | $163,490 | 101.0% |
| Kelley, IA | 377 | $153,700 | 89.0% |
| Granger, IA | 1,931 | $144,569 | 77.7% |
| Madrid, IA | 2,660 | $99,958 | 22.9% |
| City | Population | Household Income | National Avg. |
| Webster County, GA | 2,660 | $46,645 | 42.6% |
| Henniker, NH | 2,660 | $143,425 | 76.3% |
| Fillmore, UT | 2,660 | $90,718 | 11.5% |
| Bonaventure, QC | 2,660 | n/a | |
| Premont, TX | 2,659 | $59,042 | 27.4% |
| Madrid, IA | 2,660 | $99,958 | 22.9% |