| Index | Cambridge | Iowa | National |
| Income per capita | $42,683 | $42,672 | $44,883 |
| Median household income | $100,314 | $81,387 | $81,333 |
| Median income owner occupied | $110,424 | $98,724 | $106,172 |
| Median income renter occupied | $86,000 | $45,890 | $52,080 |
| Median earnings male | $68,226 | $54,047 | $54,343 |
| Median earnings female | $62,408 | $36,462 | $38,439 |
| Unemployment rate | 5.5% | 3.2% | 4.9% |
| Poverty level | 22.0% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 8.5% | 8.5% |
| Manufacturing sector | 18.9% | 18.9% |
| Financial & insurance services | 1.5% | 1.5% |
| Wholesale & retail services | 13.5% | 13.5% |
| Public administration | 3.1% | 3.1% |
| Transportation, warehousing & utilities | 4.6% | 4.6% |
| Education, health & social services | 21.6% | 21.6% |
| Other | 25.9% | 25.9% |
| 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% |
| Cambridge, IA | 978 | $100,314 | 23.3% |
| City | Population | Household Income | National Avg. |
| Dotsero, CO | 978 | $132,673 | 63.1% |
| Lumpkin, GA | 978 | $29,254 | 64.0% |
| Ponca, NE | 978 | $78,178 | 3.9% |
| Brookfield, NJ | 978 | $77,838 | 4.3% |
| Tivoli, NY | 978 | $90,560 | 11.3% |
| Cambridge, IA | 978 | $100,314 | 23.3% |