| Index | Fairfield | Iowa | National |
| Income per capita | $42,146 | $42,672 | $44,883 |
| Median household income | $64,216 | $81,387 | $81,333 |
| Median income owner occupied | $89,649 | $98,724 | $106,172 |
| Median income renter occupied | $36,394 | $45,890 | $52,080 |
| Median earnings male | $38,442 | $54,047 | $54,343 |
| Median earnings female | $34,368 | $36,462 | $38,439 |
| Unemployment rate | 5.7% | 3.2% | 4.9% |
| Poverty level | 15.7% | 12.3% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 4.1% | 4.1% |
| Manufacturing sector | 20.8% | 20.8% |
| Financial & insurance services | 9.0% | 9.0% |
| Wholesale & retail services | 10.7% | 10.7% |
| Public administration | 4.9% | 4.9% |
| Transportation, warehousing & utilities | 2.0% | 2.0% |
| Education, health & social services | 22.2% | 22.2% |
| Other | 24.5% | 24.5% |
| City | Population | Household Income | National Avg. |
| Pleasant Plain, IA | 105 | $146,313 | 79.9% |
| Lockridge, IA | 781 | $129,158 | 58.8% |
| Maharishi Vedic City, IA | 497 | $105,113 | 29.2% |
| Libertyville, IA | 389 | $91,299 | 12.3% |
| Brighton, IA | 707 | $76,941 | 5.4% |
| Fairfield, IA | 10,625 | $64,216 | 21.0% |
| City | Population | Household Income | National Avg. |
| Reading, OH | 10,626 | $79,091 | 2.8% |
| Lincoln Park, NJ | 10,623 | $151,594 | 86.4% |
| Bound Brook, NJ | 10,621 | $103,432 | 27.2% |
| Smithville, MO | 10,630 | $122,924 | 51.1% |
| Belle Chasse, LA | 10,634 | $126,105 | 55.0% |
| Fairfield, IA | 10,625 | $64,216 | 21.0% |