| Index | Mountlake Terrace | Washington | National |
| Income per capita | $60,021 | $48,431 | $44,883 |
| Median household income | $121,704 | $91,816 | $81,333 |
| Median income owner occupied | $146,251 | $120,601 | $106,172 |
| Median income renter occupied | $87,305 | $60,275 | $52,080 |
| Median earnings male | $76,457 | $60,502 | $54,343 |
| Median earnings female | $58,167 | $39,812 | $38,439 |
| Unemployment rate | 2.2% | 4.5% | 4.9% |
| Poverty level | 6.9% | 12.7% | 15.1% |

| Labour Type | Male | Female |
| Construction industry | 13.1% | 13.1% |
| Manufacturing sector | 12.5% | 12.5% |
| Financial & insurance services | 1.7% | 1.7% |
| Wholesale & retail services | 15.3% | 15.3% |
| Public administration | 3.0% | 3.0% |
| Transportation, warehousing & utilities | 7.4% | 7.4% |
| Education, health & social services | 12.3% | 12.3% |
| Other | 32.5% | 32.5% |
| 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% |
| Beaux Arts Village, WA | 408 | $362,576 | 345.8% |
| Woodway, WA | 1,115 | $287,633 | 253.6% |
| Mountlake Terrace, WA | 21,935 | $121,704 | 49.6% |
| City | Population | Household Income | National Avg. |
| Mukilteo, WA | 21,937 | $156,202 | 92.1% |
| Ramona, CA | 21,948 | $115,877 | 42.5% |
| Piqua, OH | 21,958 | $69,048 | 15.1% |
| Mountain House, CA | 21,975 | $238,774 | 193.6% |
| La Porte, IN | 21,881 | $62,134 | 23.6% |
| Mountlake Terrace, WA | 21,935 | $121,704 | 49.6% |