| Index | Grand Coulee | Washington | National |
| Income per capita | $23,164 | $32,999 | $29,829 |
| Median household income | $38,594 | $62,848 | $55,322 |
| Median income owner occupied | $42,232 | $79,796 | $70,586 |
| Median income renter occupied | $30,875 | $41,061 | $35,192 |
| Median earnings male | $46,250 | $41,953 | $36,919 |
| Median earnings female | $29,000 | $27,576 | $26,250 |
| Unemployment rate | 3.0% | 4.3% | 4.7% |
| Poverty level | 34.9% | 12.7% | 15.1% |
| Labour Type | Male | Female |
| Construction industry | 13.3% | 13.3% |
| Manufacturing sector | 2.8% | 2.8% |
| Financial & insurance services | 1.6% | 1.6% |
| Wholesale & retail services | 11.3% | 11.3% |
| Public administration | 45.2% | 45.2% |
| Transportation, warehousing & utilities | 2.4% | 2.4% |
| Education, health & social services | 4.0% | 4.0% |
| Other | 19.4% | 19.4% |
| City | Population | Household Income | National Avg. |
| Wilbur, WA | 767 | $61,641 | 11.4% |
| Coulee Dam, WA | 1,355 | $60,625 | 9.6% |
| Electric City, WA | 944 | $57,727 | 4.3% |
| Elmer City, WA | 301 | $52,500 | 5.1% |
| Keller, WA | 204 | $33,750 | 39.0% |
| Grand Coulee, WA | 1,257 | $38,594 | 30.2% |
| City | Population | Household Income | National Avg. |
| Edgerton, MN | 1,257 | $55,294 | 0.1% |
| Mansfield, MO | 1,257 | $26,592 | 51.9% |
| Union Springs, NY | 1,257 | $81,053 | 46.5% |
| Hilldale, PA | 1,257 | $72,653 | 31.3% |
| Prosperity, SC | 1,257 | $47,639 | 13.9% |
| Grand Coulee, WA | 1,257 | $38,594 | 30.2% |
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