| Index | Harrington | Washington | National |
| Income per capita | $36,537 | $48,431 | $44,883 |
| Median household income | $47,440 | $91,816 | $81,333 |
| Median income owner occupied | $49,930 | $120,601 | $106,172 |
| Median income renter occupied | $45,865 | $60,275 | $52,080 |
| Median earnings male | $50,455 | $60,502 | $54,343 |
| Median earnings female | $41,220 | $39,812 | $38,439 |
| Unemployment rate | 0.9% | 4.5% | 4.9% |
| Poverty level | 19.9% | 12.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 17.4% | 17.4% |
| Manufacturing sector | 1.4% | 1.4% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 30.4% | 30.4% |
| Public administration | 2.9% | 2.9% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 18.8% | 18.8% |
| Other | 29.0% | 29.0% |
| City | Population | Household Income | National Avg. |
| Sprague, WA | 524 | $83,963 | 3.2% |
| Davenport, WA | 1,907 | $81,397 | 0.1% |
| Harrington, WA | 390 | $47,440 | 41.7% |
| City | Population | Household Income | National Avg. |
| Nances Creek, AL | 390 | $150,496 | 85.0% |
| Turin, GA | 390 | $136,498 | 67.8% |
| Fort Atkinson, IA | 390 | $87,630 | 7.7% |
| Lee, IL | 390 | $124,045 | 52.5% |
| Hall Summit, LA | 390 | $77,837 | 4.3% |
| Harrington, WA | 390 | $47,440 | 41.7% |