| Index | Fairfield | Washington | National |
| Income per capita | $39,798 | $48,431 | $44,883 |
| Median household income | $79,171 | $91,816 | $81,333 |
| Median income owner occupied | $82,673 | $120,601 | $106,172 |
| Median income renter occupied | $77,367 | $60,275 | $52,080 |
| Median earnings male | $52,900 | $60,502 | $54,343 |
| Median earnings female | $37,868 | $39,812 | $38,439 |
| Unemployment rate | 1.9% | 4.5% | 4.9% |
| Poverty level | 10.0% | 12.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 16.7% | 16.7% |
| Manufacturing sector | 11.8% | 11.8% |
| Financial & insurance services | 2.0% | 2.0% |
| Wholesale & retail services | 24.5% | 24.5% |
| Public administration | 5.9% | 5.9% |
| Transportation, warehousing & utilities | 15.7% | 15.7% |
| Education, health & social services | 9.8% | 9.8% |
| Other | 13.7% | 13.7% |
| City | Population | Household Income | National Avg. |
| Rockford Bay, ID | 362 | $150,306 | 84.8% |
| Spangle, WA | 238 | $92,934 | 14.3% |
| Rockford, WA | 431 | $86,454 | 6.3% |
| Rosalia, WA | 667 | $79,852 | 1.8% |
| Tekoa, WA | 798 | $79,076 | 2.8% |
| Fairfield, WA | 495 | $79,171 | 2.7% |
| City | Population | Household Income | National Avg. |
| Nenana, AK | 495 | $70,613 | 13.2% |
| Hurtsboro, AL | 495 | $60,884 | 25.1% |
| Runnells, IA | 495 | $122,058 | 50.1% |
| Sun River Terrace, IL | 495 | $69,276 | 14.8% |
| Kensington, KS | 495 | $76,080 | 6.5% |
| Fairfield, WA | 495 | $79,171 | 2.7% |