| Index | Martha Lake | Washington | National |
| Income per capita | $65,210 | $48,431 | $44,883 |
| Median household income | $164,756 | $91,816 | $81,333 |
| Median income owner occupied | $183,008 | $120,601 | $106,172 |
| Median income renter occupied | $106,023 | $60,275 | $52,080 |
| Median earnings male | $94,906 | $60,502 | $54,343 |
| Median earnings female | $64,435 | $39,812 | $38,439 |
| Unemployment rate | 3.4% | 4.5% | 4.9% |
| Poverty level | 4.8% | 12.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 12.8% | 12.8% |
| Manufacturing sector | 17.5% | 17.5% |
| Financial & insurance services | 2.3% | 2.3% |
| Wholesale & retail services | 11.2% | 11.2% |
| Public administration | 3.1% | 3.1% |
| Transportation, warehousing & utilities | 5.8% | 5.8% |
| Education, health & social services | 5.6% | 5.6% |
| Other | 34.4% | 34.4% |
| City | Population | Household Income | National Avg. |
| Hunts Point, WA | 354 | $375,086 | 361.2% |
| Clyde Hill, WA | 3,430 | $373,193 | 358.8% |
| Yarrow Point, WA | 1,395 | $367,498 | 351.8% |
| Woodway, WA | 1,115 | $287,633 | 253.6% |
| Cottage Lake, WA | 23,962 | $243,263 | 199.1% |
| Martha Lake, WA | 22,798 | $164,756 | 102.6% |
| City | Population | Household Income | National Avg. |
| Vicksburg, MS | 22,799 | $51,798 | 36.3% |
| Ruston, LA | 22,812 | $48,564 | 40.3% |
| Patterson, CA | 22,827 | $105,997 | 30.3% |
| Wilmot, ON | 22,827 | n/a | |
| Pace, FL | 22,760 | $96,404 | 18.5% |
| Martha Lake, WA | 22,798 | $164,756 | 102.6% |