| Index | Arlington | Washington | National |
| Income per capita | $54,527 | $48,431 | $44,883 |
| Median household income | $114,773 | $91,816 | $81,333 |
| Median income owner occupied | $141,313 | $120,601 | $106,172 |
| Median income renter occupied | $73,710 | $60,275 | $52,080 |
| Median earnings male | $82,379 | $60,502 | $54,343 |
| Median earnings female | $48,513 | $39,812 | $38,439 |
| Unemployment rate | 1.9% | 4.5% | 4.9% |
| Poverty level | 5.1% | 12.7% | 15.1% |


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| Labour Type | Male | Female |
| Construction industry | 17.4% | 17.4% |
| Manufacturing sector | 24.0% | 24.0% |
| Financial & insurance services | 1.3% | 1.3% |
| Wholesale & retail services | 11.8% | 11.8% |
| Public administration | 5.1% | 5.1% |
| Transportation, warehousing & utilities | 5.9% | 5.9% |
| Education, health & social services | 9.3% | 9.3% |
| Other | 23.2% | 23.2% |
| City | Population | Household Income | National Avg. |
| Sunday Lake, WA | 977 | $188,973 | 132.3% |
| Lake Bosworth, WA | 1,110 | $180,013 | 121.3% |
| Kayak Point, WA | 1,540 | $167,375 | 105.8% |
| Sisco Heights, WA | 3,106 | $161,188 | 98.2% |
| Warm Beach, WA | 2,993 | $154,603 | 90.1% |
| Arlington, WA | 20,435 | $114,773 | 41.1% |
| City | Population | Household Income | National Avg. |
| West St. Paul, MN | 20,423 | $85,104 | 4.6% |
| Miamisburg, OH | 20,451 | $105,418 | 29.6% |
| Meadowbrook, VA | 20,418 | $97,222 | 19.5% |
| Hauppauge, NY | 20,417 | $180,898 | 122.4% |
| Bothell West, WA | 20,411 | $177,931 | 118.8% |
| Arlington, WA | 20,435 | $114,773 | 41.1% |