| Index | Twin Lakes | Washington | National |
| Income per capita | $36,346 | $48,431 | $44,883 |
| Median household income | $42,109 | $91,816 | $81,333 |
| Median income owner occupied | $42,898 | $120,601 | $106,172 |
| Median income renter occupied | $0 | $60,275 | $52,080 |
| Median earnings male | $0 | $60,502 | $54,343 |
| Median earnings female | $0 | $39,812 | $38,439 |
| Unemployment rate | 5.9% | 4.5% | 4.9% |
| Poverty level | 5.6% | 12.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 0.0% | 0.0% |
| Manufacturing sector | 0.0% | 0.0% |
| Financial & insurance services | 0.0% | 0.0% |
| Wholesale & retail services | 0.0% | 0.0% |
| Public administration | 0.0% | 0.0% |
| Transportation, warehousing & utilities | 0.0% | 0.0% |
| Education, health & social services | 0.0% | 0.0% |
| Other | 100.0% | 100.0% |
| City | Population | Household Income | National Avg. |
| Inchelium, WA | 334 | $70,119 | 13.8% |
| Twin Lakes, WA | 73 | $42,109 | 48.2% |
| City | Population | Household Income | National Avg. |
| Crescent Mills, CA | 73 | $0 | 100.0% |
| Mabie, CA | 73 | $0 | 100.0% |
| Kim, CO | 73 | $46,616 | 42.7% |
| Ranger, GA | 73 | $37,017 | 54.5% |
| Cromwell, IA | 73 | $62,319 | 23.4% |
| Twin Lakes, WA | 73 | $42,109 | 48.2% |